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Finding the Fourth Proportional to 70,498.31, 105,757.47 and 23,103.24

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Solution

The fourth proportional to 70,498.31, 105,757.47 and 23,103.24 is: 34,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,498.31 : 105,757.47 = 23,103.24 : x
  2. Step 2: Convert to fraction form
    70,498.31/105,757.47 = 23,103.24/x
  3. Step 3: Cross multiply
    70,498.31x = 105,757.47 × 23,103.24
  4. Step 4: Simplify right side
    70,498.31x = 2,443,340,211.20
  5. Step 5: Solve for x
    x = 2,443,340,211.20/70,498.31
  6. Step 6: Final answer
    x = 34,658.14

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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.