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Finding the Fourth Proportional to 108,713.52, 150,031.76 and 62,775.11

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Solution

The fourth proportional to 108,713.52, 150,031.76 and 62,775.11 is: 86,633.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,713.52 : 150,031.76 = 62,775.11 : x
  2. Step 2: Convert to fraction form
    108,713.52/150,031.76 = 62,775.11/x
  3. Step 3: Cross multiply
    108,713.52x = 150,031.76 × 62,775.11
  4. Step 4: Simplify right side
    108,713.52x = 9,418,260,237.49
  5. Step 5: Solve for x
    x = 9,418,260,237.49/108,713.52
  6. Step 6: Final answer
    x = 86,633.75

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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.