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Finding the Fourth Proportional to 71,245.96, 106,342.76 and 62,841.22

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Solution

The fourth proportional to 71,245.96, 106,342.76 and 62,841.22 is: 93,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,245.96 : 106,342.76 = 62,841.22 : x
  2. Step 2: Convert to fraction form
    71,245.96/106,342.76 = 62,841.22/x
  3. Step 3: Cross multiply
    71,245.96x = 106,342.76 × 62,841.22
  4. Step 4: Simplify right side
    71,245.96x = 6,682,708,776.57
  5. Step 5: Solve for x
    x = 6,682,708,776.57/71,245.96
  6. Step 6: Final answer
    x = 93,797.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.