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Finding the Fourth Proportional to 132,295.34, 182,568.87 and 71,866.47

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Solution

The fourth proportional to 132,295.34, 182,568.87 and 71,866.47 is: 99,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,295.34 : 182,568.87 = 71,866.47 : x
  2. Step 2: Convert to fraction form
    132,295.34/182,568.87 = 71,866.47/x
  3. Step 3: Cross multiply
    132,295.34x = 182,568.87 × 71,866.47
  4. Step 4: Simplify right side
    132,295.34x = 13,120,580,903.42
  5. Step 5: Solve for x
    x = 13,120,580,903.42/132,295.34
  6. Step 6: Final answer
    x = 99,176.44

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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.