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Finding the Fourth Proportional to 108,794.78, 163,036.65 and 61,950.86

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Solution

The fourth proportional to 108,794.78, 163,036.65 and 61,950.86 is: 92,837.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,794.78 : 163,036.65 = 61,950.86 : x
  2. Step 2: Convert to fraction form
    108,794.78/163,036.65 = 61,950.86/x
  3. Step 3: Cross multiply
    108,794.78x = 163,036.65 × 61,950.86
  4. Step 4: Simplify right side
    108,794.78x = 10,100,260,679.02
  5. Step 5: Solve for x
    x = 10,100,260,679.02/108,794.78
  6. Step 6: Final answer
    x = 92,837.73

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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.