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Finding the Fourth Proportional to 96,613.60, 144,920.40 and 61,621.60

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Solution

The fourth proportional to 96,613.60, 144,920.40 and 61,621.60 is: 92,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,613.60 : 144,920.40 = 61,621.60 : x
  2. Step 2: Convert to fraction form
    96,613.60/144,920.40 = 61,621.60/x
  3. Step 3: Cross multiply
    96,613.60x = 144,920.40 × 61,621.60
  4. Step 4: Simplify right side
    96,613.60x = 8,930,226,920.64
  5. Step 5: Solve for x
    x = 8,930,226,920.64/96,613.60
  6. Step 6: Final answer
    x = 92,432.40

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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.