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Finding the Fourth Proportional to 243,454.75, 365,198.69 and 74,964.67

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Solution

The fourth proportional to 243,454.75, 365,198.69 and 74,964.67 is: 112,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,454.75 : 365,198.69 = 74,964.67 : x
  2. Step 2: Convert to fraction form
    243,454.75/365,198.69 = 74,964.67/x
  3. Step 3: Cross multiply
    243,454.75x = 365,198.69 × 74,964.67
  4. Step 4: Simplify right side
    243,454.75x = 27,376,999,280.28
  5. Step 5: Solve for x
    x = 27,376,999,280.28/243,454.75
  6. Step 6: Final answer
    x = 112,452.11

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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.