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Finding the Fourth Proportional to 132,329.76, 182,630.76 and 75,759.36

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Solution

The fourth proportional to 132,329.76, 182,630.76 and 75,759.36 is: 104,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,329.76 : 182,630.76 = 75,759.36 : x
  2. Step 2: Convert to fraction form
    132,329.76/182,630.76 = 75,759.36/x
  3. Step 3: Cross multiply
    132,329.76x = 182,630.76 × 75,759.36
  4. Step 4: Simplify right side
    132,329.76x = 13,835,989,493.91
  5. Step 5: Solve for x
    x = 13,835,989,493.91/132,329.76
  6. Step 6: Final answer
    x = 104,556.90

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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.