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Finding the Fourth Proportional to 110,545.98, 165,778.17 and 39,449.60

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Solution

The fourth proportional to 110,545.98, 165,778.17 and 39,449.60 is: 59,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,545.98 : 165,778.17 = 39,449.60 : x
  2. Step 2: Convert to fraction form
    110,545.98/165,778.17 = 39,449.60/x
  3. Step 3: Cross multiply
    110,545.98x = 165,778.17 × 39,449.60
  4. Step 4: Simplify right side
    110,545.98x = 6,539,882,263.41
  5. Step 5: Solve for x
    x = 6,539,882,263.41/110,545.98
  6. Step 6: Final answer
    x = 59,159.84

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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.