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Finding the Fourth Proportional to 125,993.52, 173,868.84 and 69,404.40

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Solution

The fourth proportional to 125,993.52, 173,868.84 and 69,404.40 is: 95,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,993.52 : 173,868.84 = 69,404.40 : x
  2. Step 2: Convert to fraction form
    125,993.52/173,868.84 = 69,404.40/x
  3. Step 3: Cross multiply
    125,993.52x = 173,868.84 × 69,404.40
  4. Step 4: Simplify right side
    125,993.52x = 12,067,262,518.90
  5. Step 5: Solve for x
    x = 12,067,262,518.90/125,993.52
  6. Step 6: Final answer
    x = 95,776.85

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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.