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Finding the Fourth Proportional to 101,275.01, 151,930.96 and 34,721.86

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Solution

The fourth proportional to 101,275.01, 151,930.96 and 34,721.86 is: 52,089.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,275.01 : 151,930.96 = 34,721.86 : x
  2. Step 2: Convert to fraction form
    101,275.01/151,930.96 = 34,721.86/x
  3. Step 3: Cross multiply
    101,275.01x = 151,930.96 × 34,721.86
  4. Step 4: Simplify right side
    101,275.01x = 5,275,325,056.15
  5. Step 5: Solve for x
    x = 5,275,325,056.15/101,275.01
  6. Step 6: Final answer
    x = 52,089.11

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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.