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Finding the Fourth Proportional to 132,003.70, 198,005.55 and 108,675.70

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Solution

The fourth proportional to 132,003.70, 198,005.55 and 108,675.70 is: 163,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,003.70 : 198,005.55 = 108,675.70 : x
  2. Step 2: Convert to fraction form
    132,003.70/198,005.55 = 108,675.70/x
  3. Step 3: Cross multiply
    132,003.70x = 198,005.55 × 108,675.70
  4. Step 4: Simplify right side
    132,003.70x = 21,518,391,750.14
  5. Step 5: Solve for x
    x = 21,518,391,750.14/132,003.70
  6. Step 6: Final answer
    x = 163,013.55

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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.