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Finding the Fourth Proportional to 151,780.40, 227,524.80 and 118,027.70

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Solution

The fourth proportional to 151,780.40, 227,524.80 and 118,027.70 is: 176,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,780.40 : 227,524.80 = 118,027.70 : x
  2. Step 2: Convert to fraction form
    151,780.40/227,524.80 = 118,027.70/x
  3. Step 3: Cross multiply
    151,780.40x = 227,524.80 × 118,027.70
  4. Step 4: Simplify right side
    151,780.40x = 26,854,228,836.96
  5. Step 5: Solve for x
    x = 26,854,228,836.96/151,780.40
  6. Step 6: Final answer
    x = 176,928.17

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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.