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Finding the Fourth Proportional to 118,134.56, 177,202.56 and 29,388.08

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Solution

The fourth proportional to 118,134.56, 177,202.56 and 29,388.08 is: 44,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,134.56 : 177,202.56 = 29,388.08 : x
  2. Step 2: Convert to fraction form
    118,134.56/177,202.56 = 29,388.08/x
  3. Step 3: Cross multiply
    118,134.56x = 177,202.56 × 29,388.08
  4. Step 4: Simplify right side
    118,134.56x = 5,207,643,009.48
  5. Step 5: Solve for x
    x = 5,207,643,009.48/118,134.56
  6. Step 6: Final answer
    x = 44,082.30

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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.