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Finding the Fourth Proportional to 99,244, 136,956.72 and 54,534.88

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Solution

The fourth proportional to 99,244, 136,956.72 and 54,534.88 is: 75,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,244 : 136,956.72 = 54,534.88 : x
  2. Step 2: Convert to fraction form
    99,244/136,956.72 = 54,534.88/x
  3. Step 3: Cross multiply
    99,244x = 136,956.72 × 54,534.88
  4. Step 4: Simplify right side
    99,244x = 7,468,918,290.39
  5. Step 5: Solve for x
    x = 7,468,918,290.39/99,244
  6. Step 6: Final answer
    x = 75,258.13

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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.