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Finding the Fourth Proportional to 185,173.92, 277,773.84 and 91,654.56

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Solution

The fourth proportional to 185,173.92, 277,773.84 and 91,654.56 is: 137,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,173.92 : 277,773.84 = 91,654.56 : x
  2. Step 2: Convert to fraction form
    185,173.92/277,773.84 = 91,654.56/x
  3. Step 3: Cross multiply
    185,173.92x = 277,773.84 × 91,654.56
  4. Step 4: Simplify right side
    185,173.92x = 25,459,239,084.71
  5. Step 5: Solve for x
    x = 25,459,239,084.71/185,173.92
  6. Step 6: Final answer
    x = 137,488.25

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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.