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Finding the Fourth Proportional to 80,331, 110,855.36 and 44,032.16

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Solution

The fourth proportional to 80,331, 110,855.36 and 44,032.16 is: 60,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,331 : 110,855.36 = 44,032.16 : x
  2. Step 2: Convert to fraction form
    80,331/110,855.36 = 44,032.16/x
  3. Step 3: Cross multiply
    80,331x = 110,855.36 × 44,032.16
  4. Step 4: Simplify right side
    80,331x = 4,881,200,948.38
  5. Step 5: Solve for x
    x = 4,881,200,948.38/80,331
  6. Step 6: Final answer
    x = 60,763.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.