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Finding the Fourth Proportional to 187,466.67, 281,265.61 and 54,354.91

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Solution

The fourth proportional to 187,466.67, 281,265.61 and 54,354.91 is: 81,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,466.67 : 281,265.61 = 54,354.91 : x
  2. Step 2: Convert to fraction form
    187,466.67/281,265.61 = 54,354.91/x
  3. Step 3: Cross multiply
    187,466.67x = 281,265.61 × 54,354.91
  4. Step 4: Simplify right side
    187,466.67x = 15,288,167,201.28
  5. Step 5: Solve for x
    x = 15,288,167,201.28/187,466.67
  6. Step 6: Final answer
    x = 81,551.39

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1.5x scale

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.