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Finding the Fourth Proportional to 125,399.59, 173,049.15 and 70,951.18

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Solution

The fourth proportional to 125,399.59, 173,049.15 and 70,951.18 is: 97,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,399.59 : 173,049.15 = 70,951.18 : x
  2. Step 2: Convert to fraction form
    125,399.59/173,049.15 = 70,951.18/x
  3. Step 3: Cross multiply
    125,399.59x = 173,049.15 × 70,951.18
  4. Step 4: Simplify right side
    125,399.59x = 12,278,041,390.50
  5. Step 5: Solve for x
    x = 12,278,041,390.50/125,399.59
  6. Step 6: Final answer
    x = 97,911.34

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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.