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Finding the Fourth Proportional to 73,691.40, 110,423.70 and 54,883.20

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Solution

The fourth proportional to 73,691.40, 110,423.70 and 54,883.20 is: 82,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,691.40 : 110,423.70 = 54,883.20 : x
  2. Step 2: Convert to fraction form
    73,691.40/110,423.70 = 54,883.20/x
  3. Step 3: Cross multiply
    73,691.40x = 110,423.70 × 54,883.20
  4. Step 4: Simplify right side
    73,691.40x = 6,060,406,011.84
  5. Step 5: Solve for x
    x = 6,060,406,011.84/73,691.40
  6. Step 6: Final answer
    x = 82,240.34

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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.