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Finding the Fourth Proportional to 187,557, 281,404.62 and 98,806.92

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Solution

The fourth proportional to 187,557, 281,404.62 and 98,806.92 is: 148,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,557 : 281,404.62 = 98,806.92 : x
  2. Step 2: Convert to fraction form
    187,557/281,404.62 = 98,806.92/x
  3. Step 3: Cross multiply
    187,557x = 281,404.62 × 98,806.92
  4. Step 4: Simplify right side
    187,557x = 27,804,723,775.97
  5. Step 5: Solve for x
    x = 27,804,723,775.97/187,557
  6. Step 6: Final answer
    x = 148,246.79

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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.