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Finding the Fourth Proportional to 106,251.42, 146,625.84 and 58,503.78

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Solution

The fourth proportional to 106,251.42, 146,625.84 and 58,503.78 is: 80,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,251.42 : 146,625.84 = 58,503.78 : x
  2. Step 2: Convert to fraction form
    106,251.42/146,625.84 = 58,503.78/x
  3. Step 3: Cross multiply
    106,251.42x = 146,625.84 × 58,503.78
  4. Step 4: Simplify right side
    106,251.42x = 8,578,165,885.68
  5. Step 5: Solve for x
    x = 8,578,165,885.68/106,251.42
  6. Step 6: Final answer
    x = 80,734.60

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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.