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Finding the Fourth Proportional to 240,248.40, 360,664.20 and 133,717.20

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Solution

The fourth proportional to 240,248.40, 360,664.20 and 133,717.20 is: 200,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,248.40 : 360,664.20 = 133,717.20 : x
  2. Step 2: Convert to fraction form
    240,248.40/360,664.20 = 133,717.20/x
  3. Step 3: Cross multiply
    240,248.40x = 360,664.20 × 133,717.20
  4. Step 4: Simplify right side
    240,248.40x = 48,227,006,964.24
  5. Step 5: Solve for x
    x = 48,227,006,964.24/240,248.40
  6. Step 6: Final answer
    x = 200,738.10

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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.