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Finding the Fourth Proportional to 101,065.10, 151,306.05 and 101,065.10

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Solution

The fourth proportional to 101,065.10, 151,306.05 and 101,065.10 is: 151,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,065.10 : 151,306.05 = 101,065.10 : x
  2. Step 2: Convert to fraction form
    101,065.10/151,306.05 = 101,065.10/x
  3. Step 3: Cross multiply
    101,065.10x = 151,306.05 × 101,065.10
  4. Step 4: Simplify right side
    101,065.10x = 15,291,761,073.86
  5. Step 5: Solve for x
    x = 15,291,761,073.86/101,065.10
  6. Step 6: Final answer
    x = 151,306.05

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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.