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Finding the Fourth Proportional to 246,948.96, 370,475.28 and 80,724

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Solution

The fourth proportional to 246,948.96, 370,475.28 and 80,724 is: 121,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,948.96 : 370,475.28 = 80,724 : x
  2. Step 2: Convert to fraction form
    246,948.96/370,475.28 = 80,724/x
  3. Step 3: Cross multiply
    246,948.96x = 370,475.28 × 80,724
  4. Step 4: Simplify right side
    246,948.96x = 29,906,246,502.72
  5. Step 5: Solve for x
    x = 29,906,246,502.72/246,948.96
  6. Step 6: Final answer
    x = 121,102.95

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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.