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Finding the Fourth Proportional to 125,810.62, 173,584.22 and 87,527.18

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Solution

The fourth proportional to 125,810.62, 173,584.22 and 87,527.18 is: 120,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,810.62 : 173,584.22 = 87,527.18 : x
  2. Step 2: Convert to fraction form
    125,810.62/173,584.22 = 87,527.18/x
  3. Step 3: Cross multiply
    125,810.62x = 173,584.22 × 87,527.18
  4. Step 4: Simplify right side
    125,810.62x = 15,193,337,265.42
  5. Step 5: Solve for x
    x = 15,193,337,265.42/125,810.62
  6. Step 6: Final answer
    x = 120,763.55

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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.