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Finding the Fourth Proportional to 73,031.22, 100,691.76 and 60,949.08

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Solution

The fourth proportional to 73,031.22, 100,691.76 and 60,949.08 is: 84,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,031.22 : 100,691.76 = 60,949.08 : x
  2. Step 2: Convert to fraction form
    73,031.22/100,691.76 = 60,949.08/x
  3. Step 3: Cross multiply
    73,031.22x = 100,691.76 × 60,949.08
  4. Step 4: Simplify right side
    73,031.22x = 6,137,070,135.58
  5. Step 5: Solve for x
    x = 6,137,070,135.58/73,031.22
  6. Step 6: Final answer
    x = 84,033.52

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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.