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Finding the Fourth Proportional to 110,423.70, 165,635.55 and 73,098.90

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Solution

The fourth proportional to 110,423.70, 165,635.55 and 73,098.90 is: 109,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,423.70 : 165,635.55 = 73,098.90 : x
  2. Step 2: Convert to fraction form
    110,423.70/165,635.55 = 73,098.90/x
  3. Step 3: Cross multiply
    110,423.70x = 165,635.55 × 73,098.90
  4. Step 4: Simplify right side
    110,423.70x = 12,107,776,505.90
  5. Step 5: Solve for x
    x = 12,107,776,505.90/110,423.70
  6. Step 6: Final answer
    x = 109,648.35

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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.