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Finding the Fourth Proportional to 85,737.42, 118,375.42 and 53,521.10

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Solution

The fourth proportional to 85,737.42, 118,375.42 and 53,521.10 is: 73,895.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,737.42 : 118,375.42 = 53,521.10 : x
  2. Step 2: Convert to fraction form
    85,737.42/118,375.42 = 53,521.10/x
  3. Step 3: Cross multiply
    85,737.42x = 118,375.42 × 53,521.10
  4. Step 4: Simplify right side
    85,737.42x = 6,335,582,691.36
  5. Step 5: Solve for x
    x = 6,335,582,691.36/85,737.42
  6. Step 6: Final answer
    x = 73,895.19

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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.