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Finding the Fourth Proportional to 125,894.40, 173,734.80 and 69,306.24

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Solution

The fourth proportional to 125,894.40, 173,734.80 and 69,306.24 is: 95,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,894.40 : 173,734.80 = 69,306.24 : x
  2. Step 2: Convert to fraction form
    125,894.40/173,734.80 = 69,306.24/x
  3. Step 3: Cross multiply
    125,894.40x = 173,734.80 × 69,306.24
  4. Step 4: Simplify right side
    125,894.40x = 12,040,905,745.15
  5. Step 5: Solve for x
    x = 12,040,905,745.15/125,894.40
  6. Step 6: Final answer
    x = 95,642.90

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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.