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Finding the Fourth Proportional to 185,355.44, 255,792.12 and 100,473.92

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Solution

The fourth proportional to 185,355.44, 255,792.12 and 100,473.92 is: 138,654.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,355.44 : 255,792.12 = 100,473.92 : x
  2. Step 2: Convert to fraction form
    185,355.44/255,792.12 = 100,473.92/x
  3. Step 3: Cross multiply
    185,355.44x = 255,792.12 × 100,473.92
  4. Step 4: Simplify right side
    185,355.44x = 25,700,437,001.51
  5. Step 5: Solve for x
    x = 25,700,437,001.51/185,355.44
  6. Step 6: Final answer
    x = 138,654.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.