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Finding the Fourth Proportional to 243,679.62, 365,520.96 and 159,510.44

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Solution

The fourth proportional to 243,679.62, 365,520.96 and 159,510.44 is: 239,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,679.62 : 365,520.96 = 159,510.44 : x
  2. Step 2: Convert to fraction form
    243,679.62/365,520.96 = 159,510.44/x
  3. Step 3: Cross multiply
    243,679.62x = 365,520.96 × 159,510.44
  4. Step 4: Simplify right side
    243,679.62x = 58,304,409,158.82
  5. Step 5: Solve for x
    x = 58,304,409,158.82/243,679.62
  6. Step 6: Final answer
    x = 239,266.66

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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.