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Finding the Fourth Proportional to 132,400.53, 182,708.28 and 75,800.97

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Solution

The fourth proportional to 132,400.53, 182,708.28 and 75,800.97 is: 104,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,400.53 : 182,708.28 = 75,800.97 : x
  2. Step 2: Convert to fraction form
    132,400.53/182,708.28 = 75,800.97/x
  3. Step 3: Cross multiply
    132,400.53x = 182,708.28 × 75,800.97
  4. Step 4: Simplify right side
    132,400.53x = 13,849,464,851.03
  5. Step 5: Solve for x
    x = 13,849,464,851.03/132,400.53
  6. Step 6: Final answer
    x = 104,602.79

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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.