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Finding the Fourth Proportional to 162,848.67, 244,305.20 and 78,667.39

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Solution

The fourth proportional to 162,848.67, 244,305.20 and 78,667.39 is: 118,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,848.67 : 244,305.20 = 78,667.39 : x
  2. Step 2: Convert to fraction form
    162,848.67/244,305.20 = 78,667.39/x
  3. Step 3: Cross multiply
    162,848.67x = 244,305.20 × 78,667.39
  4. Step 4: Simplify right side
    162,848.67x = 19,218,852,447.43
  5. Step 5: Solve for x
    x = 19,218,852,447.43/162,848.67
  6. Step 6: Final answer
    x = 118,016.64

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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.