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Finding the Fourth Proportional to 223,702.40, 335,552 and 90,580.62

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Solution

The fourth proportional to 223,702.40, 335,552 and 90,580.62 is: 135,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,702.40 : 335,552 = 90,580.62 : x
  2. Step 2: Convert to fraction form
    223,702.40/335,552 = 90,580.62/x
  3. Step 3: Cross multiply
    223,702.40x = 335,552 × 90,580.62
  4. Step 4: Simplify right side
    223,702.40x = 30,394,508,202.24
  5. Step 5: Solve for x
    x = 30,394,508,202.24/223,702.40
  6. Step 6: Final answer
    x = 135,870.28

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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.