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Finding the Fourth Proportional to 162,496.32, 224,251.92 and 90,876.30

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Solution

The fourth proportional to 162,496.32, 224,251.92 and 90,876.30 is: 125,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,496.32 : 224,251.92 = 90,876.30 : x
  2. Step 2: Convert to fraction form
    162,496.32/224,251.92 = 90,876.30/x
  3. Step 3: Cross multiply
    162,496.32x = 224,251.92 × 90,876.30
  4. Step 4: Simplify right side
    162,496.32x = 20,379,184,757.50
  5. Step 5: Solve for x
    x = 20,379,184,757.50/162,496.32
  6. Step 6: Final answer
    x = 125,413.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.