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Finding the Fourth Proportional to 119,115.56, 178,673.34 and 36,009.56

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Solution

The fourth proportional to 119,115.56, 178,673.34 and 36,009.56 is: 54,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,115.56 : 178,673.34 = 36,009.56 : x
  2. Step 2: Convert to fraction form
    119,115.56/178,673.34 = 36,009.56/x
  3. Step 3: Cross multiply
    119,115.56x = 178,673.34 × 36,009.56
  4. Step 4: Simplify right side
    119,115.56x = 6,433,948,938.85
  5. Step 5: Solve for x
    x = 6,433,948,938.85/119,115.56
  6. Step 6: Final answer
    x = 54,014.34

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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.