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Finding the Fourth Proportional to 203,101.60, 304,704.96 and 118,932.88

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Solution

The fourth proportional to 203,101.60, 304,704.96 and 118,932.88 is: 178,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,101.60 : 304,704.96 = 118,932.88 : x
  2. Step 2: Convert to fraction form
    203,101.60/304,704.96 = 118,932.88/x
  3. Step 3: Cross multiply
    203,101.60x = 304,704.96 × 118,932.88
  4. Step 4: Simplify right side
    203,101.60x = 36,239,438,443.08
  5. Step 5: Solve for x
    x = 36,239,438,443.08/203,101.60
  6. Step 6: Final answer
    x = 178,430.10

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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.