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Finding the Fourth Proportional to 93,253.71, 140,002.51 and 55,372.15

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Solution

The fourth proportional to 93,253.71, 140,002.51 and 55,372.15 is: 83,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,253.71 : 140,002.51 = 55,372.15 : x
  2. Step 2: Convert to fraction form
    93,253.71/140,002.51 = 55,372.15/x
  3. Step 3: Cross multiply
    93,253.71x = 140,002.51 × 55,372.15
  4. Step 4: Simplify right side
    93,253.71x = 7,752,239,984.10
  5. Step 5: Solve for x
    x = 7,752,239,984.10/93,253.71
  6. Step 6: Final answer
    x = 83,130.63

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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.