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Finding the Fourth Proportional to 550,154.69, 825,143.48 and 150,702.08

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Solution

The fourth proportional to 550,154.69, 825,143.48 and 150,702.08 is: 226,028.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,154.69 : 825,143.48 = 150,702.08 : x
  2. Step 2: Convert to fraction form
    550,154.69/825,143.48 = 150,702.08/x
  3. Step 3: Cross multiply
    550,154.69x = 825,143.48 × 150,702.08
  4. Step 4: Simplify right side
    550,154.69x = 124,350,833,855.21
  5. Step 5: Solve for x
    x = 124,350,833,855.21/550,154.69
  6. Step 6: Final answer
    x = 226,028.86

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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.