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Finding the Fourth Proportional to 201,790.96, 302,581.29 and 75,327.20

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Solution

The fourth proportional to 201,790.96, 302,581.29 and 75,327.20 is: 112,951.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,790.96 : 302,581.29 = 75,327.20 : x
  2. Step 2: Convert to fraction form
    201,790.96/302,581.29 = 75,327.20/x
  3. Step 3: Cross multiply
    201,790.96x = 302,581.29 × 75,327.20
  4. Step 4: Simplify right side
    201,790.96x = 22,792,601,252.34
  5. Step 5: Solve for x
    x = 22,792,601,252.34/201,790.96
  6. Step 6: Final answer
    x = 112,951.55

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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.