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Finding the Fourth Proportional to 93,312,135.70, 139,968,203.55 and 25,152,385.30

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Solution

The fourth proportional to 93,312,135.70, 139,968,203.55 and 25,152,385.30 is: 37,728,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,135.70 : 139,968,203.55 = 25,152,385.30 : x
  2. Step 2: Convert to fraction form
    93,312,135.70/139,968,203.55 = 25,152,385.30/x
  3. Step 3: Cross multiply
    93,312,135.70x = 139,968,203.55 × 25,152,385.30
  4. Step 4: Simplify right side
    93,312,135.70x = 3,520,534,185,438,428
  5. Step 5: Solve for x
    x = 3,520,534,185,438,428/93,312,135.70
  6. Step 6: Final answer
    x = 37,728,577.95

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.