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Finding the Fourth Proportional to 246,853.20, 370,203 and 89,061.20

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Solution

The fourth proportional to 246,853.20, 370,203 and 89,061.20 is: 133,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,853.20 : 370,203 = 89,061.20 : x
  2. Step 2: Convert to fraction form
    246,853.20/370,203 = 89,061.20/x
  3. Step 3: Cross multiply
    246,853.20x = 370,203 × 89,061.20
  4. Step 4: Simplify right side
    246,853.20x = 32,970,723,423.60
  5. Step 5: Solve for x
    x = 32,970,723,423.60/246,853.20
  6. Step 6: Final answer
    x = 133,564.09

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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.