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Finding the Fourth Proportional to 244,990.80, 367,486.20 and 87,397.20

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Solution

The fourth proportional to 244,990.80, 367,486.20 and 87,397.20 is: 131,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,990.80 : 367,486.20 = 87,397.20 : x
  2. Step 2: Convert to fraction form
    244,990.80/367,486.20 = 87,397.20/x
  3. Step 3: Cross multiply
    244,990.80x = 367,486.20 × 87,397.20
  4. Step 4: Simplify right side
    244,990.80x = 32,117,264,918.64
  5. Step 5: Solve for x
    x = 32,117,264,918.64/244,990.80
  6. Step 6: Final answer
    x = 131,095.80

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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.