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Finding the Fourth Proportional to 132,262.62, 182,544.86 and 78,576.62

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Solution

The fourth proportional to 132,262.62, 182,544.86 and 78,576.62 is: 108,449.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,262.62 : 182,544.86 = 78,576.62 : x
  2. Step 2: Convert to fraction form
    132,262.62/182,544.86 = 78,576.62/x
  3. Step 3: Cross multiply
    132,262.62x = 182,544.86 × 78,576.62
  4. Step 4: Simplify right side
    132,262.62x = 14,343,758,097.17
  5. Step 5: Solve for x
    x = 14,343,758,097.17/132,262.62
  6. Step 6: Final answer
    x = 108,449.07

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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.