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Finding the Fourth Proportional to 119,202.78, 178,826.34 and 39,245.24

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Solution

The fourth proportional to 119,202.78, 178,826.34 and 39,245.24 is: 58,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,202.78 : 178,826.34 = 39,245.24 : x
  2. Step 2: Convert to fraction form
    119,202.78/178,826.34 = 39,245.24/x
  3. Step 3: Cross multiply
    119,202.78x = 178,826.34 × 39,245.24
  4. Step 4: Simplify right side
    119,202.78x = 7,018,082,631.62
  5. Step 5: Solve for x
    x = 7,018,082,631.62/119,202.78
  6. Step 6: Final answer
    x = 58,875.16

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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.