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Finding the Fourth Proportional to 235,378.32, 324,837.17 and 132,022.21

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Solution

The fourth proportional to 235,378.32, 324,837.17 and 132,022.21 is: 182,199.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,378.32 : 324,837.17 = 132,022.21 : x
  2. Step 2: Convert to fraction form
    235,378.32/324,837.17 = 132,022.21/x
  3. Step 3: Cross multiply
    235,378.32x = 324,837.17 × 132,022.21
  4. Step 4: Simplify right side
    235,378.32x = 42,885,721,073.55
  5. Step 5: Solve for x
    x = 42,885,721,073.55/235,378.32
  6. Step 6: Final answer
    x = 182,199.11

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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.