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Finding the Fourth Proportional to 198,527.60, 297,791.40 and 114,546.80

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Solution

The fourth proportional to 198,527.60, 297,791.40 and 114,546.80 is: 171,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,527.60 : 297,791.40 = 114,546.80 : x
  2. Step 2: Convert to fraction form
    198,527.60/297,791.40 = 114,546.80/x
  3. Step 3: Cross multiply
    198,527.60x = 297,791.40 × 114,546.80
  4. Step 4: Simplify right side
    198,527.60x = 34,111,051,937.52
  5. Step 5: Solve for x
    x = 34,111,051,937.52/198,527.60
  6. Step 6: Final answer
    x = 171,820.20

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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.