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Finding the Fourth Proportional to 198,307.44, 297,522.72 and 63,391.68

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Solution

The fourth proportional to 198,307.44, 297,522.72 and 63,391.68 is: 95,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,307.44 : 297,522.72 = 63,391.68 : x
  2. Step 2: Convert to fraction form
    198,307.44/297,522.72 = 63,391.68/x
  3. Step 3: Cross multiply
    198,307.44x = 297,522.72 × 63,391.68
  4. Step 4: Simplify right side
    198,307.44x = 18,860,465,058.97
  5. Step 5: Solve for x
    x = 18,860,465,058.97/198,307.44
  6. Step 6: Final answer
    x = 95,107.20

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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.