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Finding the Fourth Proportional to 61,595.16, 92,162.04 and 43,866.78

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Solution

The fourth proportional to 61,595.16, 92,162.04 and 43,866.78 is: 65,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,595.16 : 92,162.04 = 43,866.78 : x
  2. Step 2: Convert to fraction form
    61,595.16/92,162.04 = 43,866.78/x
  3. Step 3: Cross multiply
    61,595.16x = 92,162.04 × 43,866.78
  4. Step 4: Simplify right side
    61,595.16x = 4,042,851,933.03
  5. Step 5: Solve for x
    x = 4,042,851,933.03/61,595.16
  6. Step 6: Final answer
    x = 65,635.87

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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.