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Finding the Fourth Proportional to 306,149.65, 459,158.86 and 95,760.25

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Solution

The fourth proportional to 306,149.65, 459,158.86 and 95,760.25 is: 143,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,149.65 : 459,158.86 = 95,760.25 : x
  2. Step 2: Convert to fraction form
    306,149.65/459,158.86 = 95,760.25/x
  3. Step 3: Cross multiply
    306,149.65x = 459,158.86 × 95,760.25
  4. Step 4: Simplify right side
    306,149.65x = 43,969,167,223.32
  5. Step 5: Solve for x
    x = 43,969,167,223.32/306,149.65
  6. Step 6: Final answer
    x = 143,619.85

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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.