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Finding the Fourth Proportional to 111,640.60, 167,655.30 and 59,152.60

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Solution

The fourth proportional to 111,640.60, 167,655.30 and 59,152.60 is: 88,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,640.60 : 167,655.30 = 59,152.60 : x
  2. Step 2: Convert to fraction form
    111,640.60/167,655.30 = 59,152.60/x
  3. Step 3: Cross multiply
    111,640.60x = 167,655.30 × 59,152.60
  4. Step 4: Simplify right side
    111,640.60x = 9,917,246,898.78
  5. Step 5: Solve for x
    x = 9,917,246,898.78/111,640.60
  6. Step 6: Final answer
    x = 88,831.90

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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.