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Finding the Fourth Proportional to 132,058.76, 198,146.22 and 53,326.76

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Solution

The fourth proportional to 132,058.76, 198,146.22 and 53,326.76 is: 80,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,058.76 : 198,146.22 = 53,326.76 : x
  2. Step 2: Convert to fraction form
    132,058.76/198,146.22 = 53,326.76/x
  3. Step 3: Cross multiply
    132,058.76x = 198,146.22 × 53,326.76
  4. Step 4: Simplify right side
    132,058.76x = 10,566,495,918.85
  5. Step 5: Solve for x
    x = 10,566,495,918.85/132,058.76
  6. Step 6: Final answer
    x = 80,013.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.