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Finding the Fourth Proportional to 77,254.92, 106,613.30 and 50,414.60

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Solution

The fourth proportional to 77,254.92, 106,613.30 and 50,414.60 is: 69,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,254.92 : 106,613.30 = 50,414.60 : x
  2. Step 2: Convert to fraction form
    77,254.92/106,613.30 = 50,414.60/x
  3. Step 3: Cross multiply
    77,254.92x = 106,613.30 × 50,414.60
  4. Step 4: Simplify right side
    77,254.92x = 5,374,866,874.18
  5. Step 5: Solve for x
    x = 5,374,866,874.18/77,254.92
  6. Step 6: Final answer
    x = 69,573.13

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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.