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Finding the Fourth Proportional to 119,958.34, 179,794.36 and 55,830.18

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Solution

The fourth proportional to 119,958.34, 179,794.36 and 55,830.18 is: 83,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,958.34 : 179,794.36 = 55,830.18 : x
  2. Step 2: Convert to fraction form
    119,958.34/179,794.36 = 55,830.18/x
  3. Step 3: Cross multiply
    119,958.34x = 179,794.36 × 55,830.18
  4. Step 4: Simplify right side
    119,958.34x = 10,037,951,481.78
  5. Step 5: Solve for x
    x = 10,037,951,481.78/119,958.34
  6. Step 6: Final answer
    x = 83,678.65

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1.5x scale

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.