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Finding the Fourth Proportional to 111,534.40, 167,301.60 and 104,098.60

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Solution

The fourth proportional to 111,534.40, 167,301.60 and 104,098.60 is: 156,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,534.40 : 167,301.60 = 104,098.60 : x
  2. Step 2: Convert to fraction form
    111,534.40/167,301.60 = 104,098.60/x
  3. Step 3: Cross multiply
    111,534.40x = 167,301.60 × 104,098.60
  4. Step 4: Simplify right side
    111,534.40x = 17,415,862,337.76
  5. Step 5: Solve for x
    x = 17,415,862,337.76/111,534.40
  6. Step 6: Final answer
    x = 156,147.90

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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.