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Finding the Fourth Proportional to 119,493, 179,239.50 and 36,387

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Solution

The fourth proportional to 119,493, 179,239.50 and 36,387 is: 54,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,493 : 179,239.50 = 36,387 : x
  2. Step 2: Convert to fraction form
    119,493/179,239.50 = 36,387/x
  3. Step 3: Cross multiply
    119,493x = 179,239.50 × 36,387
  4. Step 4: Simplify right side
    119,493x = 6,521,987,686.50
  5. Step 5: Solve for x
    x = 6,521,987,686.50/119,493
  6. Step 6: Final answer
    x = 54,580.50

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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.