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Finding the Fourth Proportional to 111,710.10, 167,565.15 and 36,841.80

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Solution

The fourth proportional to 111,710.10, 167,565.15 and 36,841.80 is: 55,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,710.10 : 167,565.15 = 36,841.80 : x
  2. Step 2: Convert to fraction form
    111,710.10/167,565.15 = 36,841.80/x
  3. Step 3: Cross multiply
    111,710.10x = 167,565.15 × 36,841.80
  4. Step 4: Simplify right side
    111,710.10x = 6,173,401,743.27
  5. Step 5: Solve for x
    x = 6,173,401,743.27/111,710.10
  6. Step 6: Final answer
    x = 55,262.70

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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.