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Finding the Fourth Proportional to 125,524.36, 173,151.30 and 75,194.20

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Solution

The fourth proportional to 125,524.36, 173,151.30 and 75,194.20 is: 103,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,524.36 : 173,151.30 = 75,194.20 : x
  2. Step 2: Convert to fraction form
    125,524.36/173,151.30 = 75,194.20/x
  3. Step 3: Cross multiply
    125,524.36x = 173,151.30 × 75,194.20
  4. Step 4: Simplify right side
    125,524.36x = 13,019,973,482.46
  5. Step 5: Solve for x
    x = 13,019,973,482.46/125,524.36
  6. Step 6: Final answer
    x = 103,724.68

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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.