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Finding the Fourth Proportional to 70,969.32, 106,460.12 and 26,002.89

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Solution

The fourth proportional to 70,969.32, 106,460.12 and 26,002.89 is: 39,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,969.32 : 106,460.12 = 26,002.89 : x
  2. Step 2: Convert to fraction form
    70,969.32/106,460.12 = 26,002.89/x
  3. Step 3: Cross multiply
    70,969.32x = 106,460.12 × 26,002.89
  4. Step 4: Simplify right side
    70,969.32x = 2,768,270,854.75
  5. Step 5: Solve for x
    x = 2,768,270,854.75/70,969.32
  6. Step 6: Final answer
    x = 39,006.59

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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.