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Finding the Fourth Proportional to 132,003.30, 198,004.95 and 84,764.10

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Solution

The fourth proportional to 132,003.30, 198,004.95 and 84,764.10 is: 127,146.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,003.30 : 198,004.95 = 84,764.10 : x
  2. Step 2: Convert to fraction form
    132,003.30/198,004.95 = 84,764.10/x
  3. Step 3: Cross multiply
    132,003.30x = 198,004.95 × 84,764.10
  4. Step 4: Simplify right side
    132,003.30x = 16,783,711,382.30
  5. Step 5: Solve for x
    x = 16,783,711,382.30/132,003.30
  6. Step 6: Final answer
    x = 127,146.15

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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.