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Finding the Fourth Proportional to 101,260.68, 151,839.99 and 45,098.52

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Solution

The fourth proportional to 101,260.68, 151,839.99 and 45,098.52 is: 67,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,260.68 : 151,839.99 = 45,098.52 : x
  2. Step 2: Convert to fraction form
    101,260.68/151,839.99 = 45,098.52/x
  3. Step 3: Cross multiply
    101,260.68x = 151,839.99 × 45,098.52
  4. Step 4: Simplify right side
    101,260.68x = 6,847,758,825.81
  5. Step 5: Solve for x
    x = 6,847,758,825.81/101,260.68
  6. Step 6: Final answer
    x = 67,625.05

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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.