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Finding the Fourth Proportional to 162,901.78, 244,202.30 and 113,005.42

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Solution

The fourth proportional to 162,901.78, 244,202.30 and 113,005.42 is: 169,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,901.78 : 244,202.30 = 113,005.42 : x
  2. Step 2: Convert to fraction form
    162,901.78/244,202.30 = 113,005.42/x
  3. Step 3: Cross multiply
    162,901.78x = 244,202.30 × 113,005.42
  4. Step 4: Simplify right side
    162,901.78x = 27,596,183,476.47
  5. Step 5: Solve for x
    x = 27,596,183,476.47/162,901.78
  6. Step 6: Final answer
    x = 169,403.82

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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.