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Finding the Fourth Proportional to 150,489.55, 207,675.52 and 82,505.06

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Solution

The fourth proportional to 150,489.55, 207,675.52 and 82,505.06 is: 113,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,489.55 : 207,675.52 = 82,505.06 : x
  2. Step 2: Convert to fraction form
    150,489.55/207,675.52 = 82,505.06/x
  3. Step 3: Cross multiply
    150,489.55x = 207,675.52 × 82,505.06
  4. Step 4: Simplify right side
    150,489.55x = 17,134,281,238.13
  5. Step 5: Solve for x
    x = 17,134,281,238.13/150,489.55
  6. Step 6: Final answer
    x = 113,856.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.