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Finding the Fourth Proportional to 93,688.92, 140,588.70 and 34,565.88

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Solution

The fourth proportional to 93,688.92, 140,588.70 and 34,565.88 is: 51,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,688.92 : 140,588.70 = 34,565.88 : x
  2. Step 2: Convert to fraction form
    93,688.92/140,588.70 = 34,565.88/x
  3. Step 3: Cross multiply
    93,688.92x = 140,588.70 × 34,565.88
  4. Step 4: Simplify right side
    93,688.92x = 4,859,572,133.56
  5. Step 5: Solve for x
    x = 4,859,572,133.56/93,688.92
  6. Step 6: Final answer
    x = 51,869.23

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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.