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Finding the Fourth Proportional to 132,230.40, 182,549.12 and 101,949.28

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Solution

The fourth proportional to 132,230.40, 182,549.12 and 101,949.28 is: 140,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,230.40 : 182,549.12 = 101,949.28 : x
  2. Step 2: Convert to fraction form
    132,230.40/182,549.12 = 101,949.28/x
  3. Step 3: Cross multiply
    132,230.40x = 182,549.12 × 101,949.28
  4. Step 4: Simplify right side
    132,230.40x = 18,610,751,348.63
  5. Step 5: Solve for x
    x = 18,610,751,348.63/132,230.40
  6. Step 6: Final answer
    x = 140,744.88

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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.