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Finding the Fourth Proportional to 125,937.26, 173,737.19 and 85,088.20

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Solution

The fourth proportional to 125,937.26, 173,737.19 and 85,088.20 is: 117,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,937.26 : 173,737.19 = 85,088.20 : x
  2. Step 2: Convert to fraction form
    125,937.26/173,737.19 = 85,088.20/x
  3. Step 3: Cross multiply
    125,937.26x = 173,737.19 × 85,088.20
  4. Step 4: Simplify right side
    125,937.26x = 14,782,984,770.16
  5. Step 5: Solve for x
    x = 14,782,984,770.16/125,937.26
  6. Step 6: Final answer
    x = 117,383.73

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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.