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Finding the Fourth Proportional to 85,275.54, 127,841.02 and 35,324.46

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Solution

The fourth proportional to 85,275.54, 127,841.02 and 35,324.46 is: 52,956.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,275.54 : 127,841.02 = 35,324.46 : x
  2. Step 2: Convert to fraction form
    85,275.54/127,841.02 = 35,324.46/x
  3. Step 3: Cross multiply
    85,275.54x = 127,841.02 × 35,324.46
  4. Step 4: Simplify right side
    85,275.54x = 4,515,914,909.04
  5. Step 5: Solve for x
    x = 4,515,914,909.04/85,275.54
  6. Step 6: Final answer
    x = 52,956.74

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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.