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Finding the Fourth Proportional to 70,605.66, 105,841.62 and 26,202.27

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Solution

The fourth proportional to 70,605.66, 105,841.62 and 26,202.27 is: 39,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,605.66 : 105,841.62 = 26,202.27 : x
  2. Step 2: Convert to fraction form
    70,605.66/105,841.62 = 26,202.27/x
  3. Step 3: Cross multiply
    70,605.66x = 105,841.62 × 26,202.27
  4. Step 4: Simplify right side
    70,605.66x = 2,773,290,704.48
  5. Step 5: Solve for x
    x = 2,773,290,704.48/70,605.66
  6. Step 6: Final answer
    x = 39,278.59

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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.