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Finding the Fourth Proportional to 119,398.38, 179,125.29 and 44,518.74

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Solution

The fourth proportional to 119,398.38, 179,125.29 and 44,518.74 is: 66,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,398.38 : 179,125.29 = 44,518.74 : x
  2. Step 2: Convert to fraction form
    119,398.38/179,125.29 = 44,518.74/x
  3. Step 3: Cross multiply
    119,398.38x = 179,125.29 × 44,518.74
  4. Step 4: Simplify right side
    119,398.38x = 7,974,432,212.93
  5. Step 5: Solve for x
    x = 7,974,432,212.93/119,398.38
  6. Step 6: Final answer
    x = 66,788.45

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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.