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Finding the Fourth Proportional to 243,909.56, 365,760.66 and 150,390.20

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Solution

The fourth proportional to 243,909.56, 365,760.66 and 150,390.20 is: 225,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,909.56 : 365,760.66 = 150,390.20 : x
  2. Step 2: Convert to fraction form
    243,909.56/365,760.66 = 150,390.20/x
  3. Step 3: Cross multiply
    243,909.56x = 365,760.66 × 150,390.20
  4. Step 4: Simplify right side
    243,909.56x = 55,006,818,809.53
  5. Step 5: Solve for x
    x = 55,006,818,809.53/243,909.56
  6. Step 6: Final answer
    x = 225,521.37

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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.