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Finding the Fourth Proportional to 125,906.82, 173,750.85 and 69,318.15

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Solution

The fourth proportional to 125,906.82, 173,750.85 and 69,318.15 is: 95,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,906.82 : 173,750.85 = 69,318.15 : x
  2. Step 2: Convert to fraction form
    125,906.82/173,750.85 = 69,318.15/x
  3. Step 3: Cross multiply
    125,906.82x = 173,750.85 × 69,318.15
  4. Step 4: Simplify right side
    125,906.82x = 12,044,087,482.93
  5. Step 5: Solve for x
    x = 12,044,087,482.93/125,906.82
  6. Step 6: Final answer
    x = 95,658.74

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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.