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Finding the Fourth Proportional to 111,048.60, 166,582.92 and 36,149.32

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Solution

The fourth proportional to 111,048.60, 166,582.92 and 36,149.32 is: 54,227.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,048.60 : 166,582.92 = 36,149.32 : x
  2. Step 2: Convert to fraction form
    111,048.60/166,582.92 = 36,149.32/x
  3. Step 3: Cross multiply
    111,048.60x = 166,582.92 × 36,149.32
  4. Step 4: Simplify right side
    111,048.60x = 6,021,859,281.61
  5. Step 5: Solve for x
    x = 6,021,859,281.61/111,048.60
  6. Step 6: Final answer
    x = 54,227.24

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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.