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Finding the Fourth Proportional to 101,291.40, 151,937.10 and 34,722.60

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Solution

The fourth proportional to 101,291.40, 151,937.10 and 34,722.60 is: 52,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,291.40 : 151,937.10 = 34,722.60 : x
  2. Step 2: Convert to fraction form
    101,291.40/151,937.10 = 34,722.60/x
  3. Step 3: Cross multiply
    101,291.40x = 151,937.10 × 34,722.60
  4. Step 4: Simplify right side
    101,291.40x = 5,275,651,148.46
  5. Step 5: Solve for x
    x = 5,275,651,148.46/101,291.40
  6. Step 6: Final answer
    x = 52,083.90

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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.