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Finding the Fourth Proportional to 132,478.48, 182,824.98 and 75,900.78

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Solution

The fourth proportional to 132,478.48, 182,824.98 and 75,900.78 is: 104,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,478.48 : 182,824.98 = 75,900.78 : x
  2. Step 2: Convert to fraction form
    132,478.48/182,824.98 = 75,900.78/x
  3. Step 3: Cross multiply
    132,478.48x = 182,824.98 × 75,900.78
  4. Step 4: Simplify right side
    132,478.48x = 13,876,558,585.48
  5. Step 5: Solve for x
    x = 13,876,558,585.48/132,478.48
  6. Step 6: Final answer
    x = 104,745.76

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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.