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Finding the Fourth Proportional to 218,748.88, 301,873.56 and 118,146.88

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Solution

The fourth proportional to 218,748.88, 301,873.56 and 118,146.88 is: 163,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,748.88 : 301,873.56 = 118,146.88 : x
  2. Step 2: Convert to fraction form
    218,748.88/301,873.56 = 118,146.88/x
  3. Step 3: Cross multiply
    218,748.88x = 301,873.56 × 118,146.88
  4. Step 4: Simplify right side
    218,748.88x = 35,665,419,202.78
  5. Step 5: Solve for x
    x = 35,665,419,202.78/218,748.88
  6. Step 6: Final answer
    x = 163,042.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.