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Finding the Fourth Proportional to 240,873.16, 361,315.62 and 80,951.44

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Solution

The fourth proportional to 240,873.16, 361,315.62 and 80,951.44 is: 121,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,873.16 : 361,315.62 = 80,951.44 : x
  2. Step 2: Convert to fraction form
    240,873.16/361,315.62 = 80,951.44/x
  3. Step 3: Cross multiply
    240,873.16x = 361,315.62 × 80,951.44
  4. Step 4: Simplify right side
    240,873.16x = 29,249,019,733.49
  5. Step 5: Solve for x
    x = 29,249,019,733.49/240,873.16
  6. Step 6: Final answer
    x = 121,429.14

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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.