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Finding the Fourth Proportional to 93,312,092.70, 139,968,139.05 and 89,910,870.30

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Solution

The fourth proportional to 93,312,092.70, 139,968,139.05 and 89,910,870.30 is: 134,866,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,092.70 : 139,968,139.05 = 89,910,870.30 : x
  2. Step 2: Convert to fraction form
    93,312,092.70/139,968,139.05 = 89,910,870.30/x
  3. Step 3: Cross multiply
    93,312,092.70x = 139,968,139.05 × 89,910,870.30
  4. Step 4: Simplify right side
    93,312,092.70x = 12,584,657,196,256,916
  5. Step 5: Solve for x
    x = 12,584,657,196,256,916/93,312,092.70
  6. Step 6: Final answer
    x = 134,866,305.45

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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.