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Finding the Fourth Proportional to 185,356.68, 255,792.54 and 100,473.96

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Solution

The fourth proportional to 185,356.68, 255,792.54 and 100,473.96 is: 138,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,356.68 : 255,792.54 = 100,473.96 : x
  2. Step 2: Convert to fraction form
    185,356.68/255,792.54 = 100,473.96/x
  3. Step 3: Cross multiply
    185,356.68x = 255,792.54 × 100,473.96
  4. Step 4: Simplify right side
    185,356.68x = 25,700,489,432.26
  5. Step 5: Solve for x
    x = 25,700,489,432.26/185,356.68
  6. Step 6: Final answer
    x = 138,654.24

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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.