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Finding the Fourth Proportional to 245,626.30, 368,456.51 and 95,816.80

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Solution

The fourth proportional to 245,626.30, 368,456.51 and 95,816.80 is: 143,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,626.30 : 368,456.51 = 95,816.80 : x
  2. Step 2: Convert to fraction form
    245,626.30/368,456.51 = 95,816.80/x
  3. Step 3: Cross multiply
    245,626.30x = 368,456.51 × 95,816.80
  4. Step 4: Simplify right side
    245,626.30x = 35,304,323,727.37
  5. Step 5: Solve for x
    x = 35,304,323,727.37/245,626.30
  6. Step 6: Final answer
    x = 143,731.85

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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.