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Finding the Fourth Proportional to 118,031.01, 162,877.68 and 67,043.58

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Solution

The fourth proportional to 118,031.01, 162,877.68 and 67,043.58 is: 92,517.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,031.01 : 162,877.68 = 67,043.58 : x
  2. Step 2: Convert to fraction form
    118,031.01/162,877.68 = 67,043.58/x
  3. Step 3: Cross multiply
    118,031.01x = 162,877.68 × 67,043.58
  4. Step 4: Simplify right side
    118,031.01x = 10,919,902,769.29
  5. Step 5: Solve for x
    x = 10,919,902,769.29/118,031.01
  6. Step 6: Final answer
    x = 92,517.24

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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.