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Finding the Fourth Proportional to 148,003.40, 222,005.10 and 84,799.10

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Solution

The fourth proportional to 148,003.40, 222,005.10 and 84,799.10 is: 127,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,003.40 : 222,005.10 = 84,799.10 : x
  2. Step 2: Convert to fraction form
    148,003.40/222,005.10 = 84,799.10/x
  3. Step 3: Cross multiply
    148,003.40x = 222,005.10 × 84,799.10
  4. Step 4: Simplify right side
    148,003.40x = 18,825,832,675.41
  5. Step 5: Solve for x
    x = 18,825,832,675.41/148,003.40
  6. Step 6: Final answer
    x = 127,198.65

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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.