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Finding the Fourth Proportional to 243,971.29, 366,001.44 and 75,480.15

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Solution

The fourth proportional to 243,971.29, 366,001.44 and 75,480.15 is: 113,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,971.29 : 366,001.44 = 75,480.15 : x
  2. Step 2: Convert to fraction form
    243,971.29/366,001.44 = 75,480.15/x
  3. Step 3: Cross multiply
    243,971.29x = 366,001.44 × 75,480.15
  4. Step 4: Simplify right side
    243,971.29x = 27,625,844,680.87
  5. Step 5: Solve for x
    x = 27,625,844,680.87/243,971.29
  6. Step 6: Final answer
    x = 113,234.00

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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.