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Finding the Fourth Proportional to 132,013.32, 182,179.32 and 71,584.32

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Solution

The fourth proportional to 132,013.32, 182,179.32 and 71,584.32 is: 98,786.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,013.32 : 182,179.32 = 71,584.32 : x
  2. Step 2: Convert to fraction form
    132,013.32/182,179.32 = 71,584.32/x
  3. Step 3: Cross multiply
    132,013.32x = 182,179.32 × 71,584.32
  4. Step 4: Simplify right side
    132,013.32x = 13,041,182,740.26
  5. Step 5: Solve for x
    x = 13,041,182,740.26/132,013.32
  6. Step 6: Final answer
    x = 98,786.87

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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.