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Finding the Fourth Proportional to 125,770.78, 173,560.02 and 69,182.14

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Solution

The fourth proportional to 125,770.78, 173,560.02 and 69,182.14 is: 95,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,770.78 : 173,560.02 = 69,182.14 : x
  2. Step 2: Convert to fraction form
    125,770.78/173,560.02 = 69,182.14/x
  3. Step 3: Cross multiply
    125,770.78x = 173,560.02 × 69,182.14
  4. Step 4: Simplify right side
    125,770.78x = 12,007,253,602.04
  5. Step 5: Solve for x
    x = 12,007,253,602.04/125,770.78
  6. Step 6: Final answer
    x = 95,469.34

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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.