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Finding the Fourth Proportional to 119,487.16, 179,256.66 and 36,379

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Solution

The fourth proportional to 119,487.16, 179,256.66 and 36,379 is: 54,576.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,487.16 : 179,256.66 = 36,379 : x
  2. Step 2: Convert to fraction form
    119,487.16/179,256.66 = 36,379/x
  3. Step 3: Cross multiply
    119,487.16x = 179,256.66 × 36,379
  4. Step 4: Simplify right side
    119,487.16x = 6,521,178,034.14
  5. Step 5: Solve for x
    x = 6,521,178,034.14/119,487.16
  6. Step 6: Final answer
    x = 54,576.39

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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.