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Finding the Fourth Proportional to 88,654.60, 133,068.30 and 44,331.40

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Solution

The fourth proportional to 88,654.60, 133,068.30 and 44,331.40 is: 66,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,654.60 : 133,068.30 = 44,331.40 : x
  2. Step 2: Convert to fraction form
    88,654.60/133,068.30 = 44,331.40/x
  3. Step 3: Cross multiply
    88,654.60x = 133,068.30 × 44,331.40
  4. Step 4: Simplify right side
    88,654.60x = 5,899,104,034.62
  5. Step 5: Solve for x
    x = 5,899,104,034.62/88,654.60
  6. Step 6: Final answer
    x = 66,540.30

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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.