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Finding the Fourth Proportional to 198,144.38, 297,154.19 and 64,993.68

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Solution

The fourth proportional to 198,144.38, 297,154.19 and 64,993.68 is: 97,470.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,144.38 : 297,154.19 = 64,993.68 : x
  2. Step 2: Convert to fraction form
    198,144.38/297,154.19 = 64,993.68/x
  3. Step 3: Cross multiply
    198,144.38x = 297,154.19 × 64,993.68
  4. Step 4: Simplify right side
    198,144.38x = 19,313,144,335.52
  5. Step 5: Solve for x
    x = 19,313,144,335.52/198,144.38
  6. Step 6: Final answer
    x = 97,470.06

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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.