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Finding the Fourth Proportional to 187,413.84, 281,061.90 and 62,725.68

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Solution

The fourth proportional to 187,413.84, 281,061.90 and 62,725.68 is: 94,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,413.84 : 281,061.90 = 62,725.68 : x
  2. Step 2: Convert to fraction form
    187,413.84/281,061.90 = 62,725.68/x
  3. Step 3: Cross multiply
    187,413.84x = 281,061.90 × 62,725.68
  4. Step 4: Simplify right side
    187,413.84x = 17,629,798,799.59
  5. Step 5: Solve for x
    x = 17,629,798,799.59/187,413.84
  6. Step 6: Final answer
    x = 94,068.82

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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.