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Finding the Fourth Proportional to 161,006.64, 241,620.68 and 55,825.61

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Solution

The fourth proportional to 161,006.64, 241,620.68 and 55,825.61 is: 83,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,006.64 : 241,620.68 = 55,825.61 : x
  2. Step 2: Convert to fraction form
    161,006.64/241,620.68 = 55,825.61/x
  3. Step 3: Cross multiply
    161,006.64x = 241,620.68 × 55,825.61
  4. Step 4: Simplify right side
    161,006.64x = 13,488,620,362.38
  5. Step 5: Solve for x
    x = 13,488,620,362.38/161,006.64
  6. Step 6: Final answer
    x = 83,776.80

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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.