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Finding the Fourth Proportional to 159,479.40, 239,219.10 and 151,703.40

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Solution

The fourth proportional to 159,479.40, 239,219.10 and 151,703.40 is: 227,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,479.40 : 239,219.10 = 151,703.40 : x
  2. Step 2: Convert to fraction form
    159,479.40/239,219.10 = 151,703.40/x
  3. Step 3: Cross multiply
    159,479.40x = 239,219.10 × 151,703.40
  4. Step 4: Simplify right side
    159,479.40x = 36,290,350,814.94
  5. Step 5: Solve for x
    x = 36,290,350,814.94/159,479.40
  6. Step 6: Final answer
    x = 227,555.10

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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.