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Finding the Fourth Proportional to 243,961.20, 365,941.80 and 160,250.40

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Solution

The fourth proportional to 243,961.20, 365,941.80 and 160,250.40 is: 240,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,961.20 : 365,941.80 = 160,250.40 : x
  2. Step 2: Convert to fraction form
    243,961.20/365,941.80 = 160,250.40/x
  3. Step 3: Cross multiply
    243,961.20x = 365,941.80 × 160,250.40
  4. Step 4: Simplify right side
    243,961.20x = 58,642,319,826.72
  5. Step 5: Solve for x
    x = 58,642,319,826.72/243,961.20
  6. Step 6: Final answer
    x = 240,375.60

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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.