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Finding the Fourth Proportional to 162,980.92, 224,909.32 and 91,365.56

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Solution

The fourth proportional to 162,980.92, 224,909.32 and 91,365.56 is: 126,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,980.92 : 224,909.32 = 91,365.56 : x
  2. Step 2: Convert to fraction form
    162,980.92/224,909.32 = 91,365.56/x
  3. Step 3: Cross multiply
    162,980.92x = 224,909.32 × 91,365.56
  4. Step 4: Simplify right side
    162,980.92x = 20,548,965,971.02
  5. Step 5: Solve for x
    x = 20,548,965,971.02/162,980.92
  6. Step 6: Final answer
    x = 126,082.03

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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.