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Finding the Fourth Proportional to 272,992.57, 376,713.18 and 150,479.57

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Solution

The fourth proportional to 272,992.57, 376,713.18 and 150,479.57 is: 207,652.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,992.57 : 376,713.18 = 150,479.57 : x
  2. Step 2: Convert to fraction form
    272,992.57/376,713.18 = 150,479.57/x
  3. Step 3: Cross multiply
    272,992.57x = 376,713.18 × 150,479.57
  4. Step 4: Simplify right side
    272,992.57x = 56,687,638,281.52
  5. Step 5: Solve for x
    x = 56,687,638,281.52/272,992.57
  6. Step 6: Final answer
    x = 207,652.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.