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Finding the Fourth Proportional to 69,267.96, 103,897.62 and 27,146.34

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Solution

The fourth proportional to 69,267.96, 103,897.62 and 27,146.34 is: 40,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,267.96 : 103,897.62 = 27,146.34 : x
  2. Step 2: Convert to fraction form
    69,267.96/103,897.62 = 27,146.34/x
  3. Step 3: Cross multiply
    69,267.96x = 103,897.62 × 27,146.34
  4. Step 4: Simplify right side
    69,267.96x = 2,820,440,117.71
  5. Step 5: Solve for x
    x = 2,820,440,117.71/69,267.96
  6. Step 6: Final answer
    x = 40,717.82

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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.