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Finding the Fourth Proportional to 111,572.64, 167,350.50 and 36,695.22

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Solution

The fourth proportional to 111,572.64, 167,350.50 and 36,695.22 is: 55,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,572.64 : 167,350.50 = 36,695.22 : x
  2. Step 2: Convert to fraction form
    111,572.64/167,350.50 = 36,695.22/x
  3. Step 3: Cross multiply
    111,572.64x = 167,350.50 × 36,695.22
  4. Step 4: Simplify right side
    111,572.64x = 6,140,963,414.61
  5. Step 5: Solve for x
    x = 6,140,963,414.61/111,572.64
  6. Step 6: Final answer
    x = 55,040.05

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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.