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Finding the Fourth Proportional to 92,694.48, 127,826.28 and 69,779.18

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Solution

The fourth proportional to 92,694.48, 127,826.28 and 69,779.18 is: 96,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,694.48 : 127,826.28 = 69,779.18 : x
  2. Step 2: Convert to fraction form
    92,694.48/127,826.28 = 69,779.18/x
  3. Step 3: Cross multiply
    92,694.48x = 127,826.28 × 69,779.18
  4. Step 4: Simplify right side
    92,694.48x = 8,919,613,000.85
  5. Step 5: Solve for x
    x = 8,919,613,000.85/92,694.48
  6. Step 6: Final answer
    x = 96,225.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.