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Finding the Fourth Proportional to 93,293.66, 139,941.12 and 34,104.98

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Solution

The fourth proportional to 93,293.66, 139,941.12 and 34,104.98 is: 51,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,293.66 : 139,941.12 = 34,104.98 : x
  2. Step 2: Convert to fraction form
    93,293.66/139,941.12 = 34,104.98/x
  3. Step 3: Cross multiply
    93,293.66x = 139,941.12 × 34,104.98
  4. Step 4: Simplify right side
    93,293.66x = 4,772,689,098.78
  5. Step 5: Solve for x
    x = 4,772,689,098.78/93,293.66
  6. Step 6: Final answer
    x = 51,157.70

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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.