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Finding the Fourth Proportional to 119,482.48, 179,306.34 and 49,362.40

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Solution

The fourth proportional to 119,482.48, 179,306.34 and 49,362.40 is: 74,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,482.48 : 179,306.34 = 49,362.40 : x
  2. Step 2: Convert to fraction form
    119,482.48/179,306.34 = 49,362.40/x
  3. Step 3: Cross multiply
    119,482.48x = 179,306.34 × 49,362.40
  4. Step 4: Simplify right side
    119,482.48x = 8,850,991,277.62
  5. Step 5: Solve for x
    x = 8,850,991,277.62/119,482.48
  6. Step 6: Final answer
    x = 74,077.73

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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.