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Finding the Fourth Proportional to 161,295.91, 241,894.65 and 42,951.89

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Solution

The fourth proportional to 161,295.91, 241,894.65 and 42,951.89 is: 64,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,295.91 : 241,894.65 = 42,951.89 : x
  2. Step 2: Convert to fraction form
    161,295.91/241,894.65 = 42,951.89/x
  3. Step 3: Cross multiply
    161,295.91x = 241,894.65 × 42,951.89
  4. Step 4: Simplify right side
    161,295.91x = 10,389,832,398.39
  5. Step 5: Solve for x
    x = 10,389,832,398.39/161,295.91
  6. Step 6: Final answer
    x = 64,414.73

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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.