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Finding the Fourth Proportional to 88,631.60, 133,033.80 and 44,308.40

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Solution

The fourth proportional to 88,631.60, 133,033.80 and 44,308.40 is: 66,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,631.60 : 133,033.80 = 44,308.40 : x
  2. Step 2: Convert to fraction form
    88,631.60/133,033.80 = 44,308.40/x
  3. Step 3: Cross multiply
    88,631.60x = 133,033.80 × 44,308.40
  4. Step 4: Simplify right side
    88,631.60x = 5,894,514,823.92
  5. Step 5: Solve for x
    x = 5,894,514,823.92/88,631.60
  6. Step 6: Final answer
    x = 66,505.79

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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.