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Finding the Fourth Proportional to 110,582.42, 165,861.41 and 39,489.80

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Solution

The fourth proportional to 110,582.42, 165,861.41 and 39,489.80 is: 59,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,582.42 : 165,861.41 = 39,489.80 : x
  2. Step 2: Convert to fraction form
    110,582.42/165,861.41 = 39,489.80/x
  3. Step 3: Cross multiply
    110,582.42x = 165,861.41 × 39,489.80
  4. Step 4: Simplify right side
    110,582.42x = 6,549,832,881.86
  5. Step 5: Solve for x
    x = 6,549,832,881.86/110,582.42
  6. Step 6: Final answer
    x = 59,230.33

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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.