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Finding the Fourth Proportional to 252,891.60, 379,337.40 and 65,903.10

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Solution

The fourth proportional to 252,891.60, 379,337.40 and 65,903.10 is: 98,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,891.60 : 379,337.40 = 65,903.10 : x
  2. Step 2: Convert to fraction form
    252,891.60/379,337.40 = 65,903.10/x
  3. Step 3: Cross multiply
    252,891.60x = 379,337.40 × 65,903.10
  4. Step 4: Simplify right side
    252,891.60x = 24,999,510,605.94
  5. Step 5: Solve for x
    x = 24,999,510,605.94/252,891.60
  6. Step 6: Final answer
    x = 98,854.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.