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Finding the Fourth Proportional to 93,437.72, 140,073.24 and 34,259.63

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Solution

The fourth proportional to 93,437.72, 140,073.24 and 34,259.63 is: 51,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,437.72 : 140,073.24 = 34,259.63 : x
  2. Step 2: Convert to fraction form
    93,437.72/140,073.24 = 34,259.63/x
  3. Step 3: Cross multiply
    93,437.72x = 140,073.24 × 34,259.63
  4. Step 4: Simplify right side
    93,437.72x = 4,798,856,674.94
  5. Step 5: Solve for x
    x = 4,798,856,674.94/93,437.72
  6. Step 6: Final answer
    x = 51,358.88

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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.