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Finding the Fourth Proportional to 187,766.33, 281,666.84 and 61,407.25

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Solution

The fourth proportional to 187,766.33, 281,666.84 and 61,407.25 is: 92,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,766.33 : 281,666.84 = 61,407.25 : x
  2. Step 2: Convert to fraction form
    187,766.33/281,666.84 = 61,407.25/x
  3. Step 3: Cross multiply
    187,766.33x = 281,666.84 × 61,407.25
  4. Step 4: Simplify right side
    187,766.33x = 17,296,386,060.59
  5. Step 5: Solve for x
    x = 17,296,386,060.59/187,766.33
  6. Step 6: Final answer
    x = 92,116.55

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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.