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Finding the Fourth Proportional to 119,592.78, 179,381.88 and 49,470.30

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Solution

The fourth proportional to 119,592.78, 179,381.88 and 49,470.30 is: 74,202.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,592.78 : 179,381.88 = 49,470.30 : x
  2. Step 2: Convert to fraction form
    119,592.78/179,381.88 = 49,470.30/x
  3. Step 3: Cross multiply
    119,592.78x = 179,381.88 × 49,470.30
  4. Step 4: Simplify right side
    119,592.78x = 8,874,075,418.16
  5. Step 5: Solve for x
    x = 8,874,075,418.16/119,592.78
  6. Step 6: Final answer
    x = 74,202.43

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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.