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Finding the Fourth Proportional to 230,479.31, 345,880.56 and 95,545.46

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Solution

The fourth proportional to 230,479.31, 345,880.56 and 95,545.46 is: 143,385.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,479.31 : 345,880.56 = 95,545.46 : x
  2. Step 2: Convert to fraction form
    230,479.31/345,880.56 = 95,545.46/x
  3. Step 3: Cross multiply
    230,479.31x = 345,880.56 × 95,545.46
  4. Step 4: Simplify right side
    230,479.31x = 33,047,315,480.85
  5. Step 5: Solve for x
    x = 33,047,315,480.85/230,479.31
  6. Step 6: Final answer
    x = 143,385.17

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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.