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Finding the Fourth Proportional to 93,723.98, 140,586.51 and 38,319.98

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Solution

The fourth proportional to 93,723.98, 140,586.51 and 38,319.98 is: 57,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,723.98 : 140,586.51 = 38,319.98 : x
  2. Step 2: Convert to fraction form
    93,723.98/140,586.51 = 38,319.98/x
  3. Step 3: Cross multiply
    93,723.98x = 140,586.51 × 38,319.98
  4. Step 4: Simplify right side
    93,723.98x = 5,387,272,251.47
  5. Step 5: Solve for x
    x = 5,387,272,251.47/93,723.98
  6. Step 6: Final answer
    x = 57,480.19

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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.