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Finding the Fourth Proportional to 101,182.76, 151,764.96 and 45,025.48

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Solution

The fourth proportional to 101,182.76, 151,764.96 and 45,025.48 is: 67,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,182.76 : 151,764.96 = 45,025.48 : x
  2. Step 2: Convert to fraction form
    101,182.76/151,764.96 = 45,025.48/x
  3. Step 3: Cross multiply
    101,182.76x = 151,764.96 × 45,025.48
  4. Step 4: Simplify right side
    101,182.76x = 6,833,290,171.18
  5. Step 5: Solve for x
    x = 6,833,290,171.18/101,182.76
  6. Step 6: Final answer
    x = 67,534.13

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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.