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Finding the Fourth Proportional to 366,805.92, 550,291.44 and 130,148.16

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Solution

The fourth proportional to 366,805.92, 550,291.44 and 130,148.16 is: 195,251.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,805.92 : 550,291.44 = 130,148.16 : x
  2. Step 2: Convert to fraction form
    366,805.92/550,291.44 = 130,148.16/x
  3. Step 3: Cross multiply
    366,805.92x = 550,291.44 × 130,148.16
  4. Step 4: Simplify right side
    366,805.92x = 71,619,418,379.75
  5. Step 5: Solve for x
    x = 71,619,418,379.75/366,805.92
  6. Step 6: Final answer
    x = 195,251.53

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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.