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Finding the Fourth Proportional to 119,219.28, 178,801.17 and 44,374.68

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Solution

The fourth proportional to 119,219.28, 178,801.17 and 44,374.68 is: 66,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,219.28 : 178,801.17 = 44,374.68 : x
  2. Step 2: Convert to fraction form
    119,219.28/178,801.17 = 44,374.68/x
  3. Step 3: Cross multiply
    119,219.28x = 178,801.17 × 44,374.68
  4. Step 4: Simplify right side
    119,219.28x = 7,934,243,808.37
  5. Step 5: Solve for x
    x = 7,934,243,808.37/119,219.28
  6. Step 6: Final answer
    x = 66,551.69

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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.