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Finding the Fourth Proportional to 308,573.55, 462,693.87 and 140,001.92

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Solution

The fourth proportional to 308,573.55, 462,693.87 and 140,001.92 is: 209,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,573.55 : 462,693.87 = 140,001.92 : x
  2. Step 2: Convert to fraction form
    308,573.55/462,693.87 = 140,001.92/x
  3. Step 3: Cross multiply
    308,573.55x = 462,693.87 × 140,001.92
  4. Step 4: Simplify right side
    308,573.55x = 64,778,029,593.86
  5. Step 5: Solve for x
    x = 64,778,029,593.86/308,573.55
  6. Step 6: Final answer
    x = 209,927.36

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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.