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Finding the Fourth Proportional to 70,079.85, 105,057.24 and 25,696.24

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Solution

The fourth proportional to 70,079.85, 105,057.24 and 25,696.24 is: 38,521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,079.85 : 105,057.24 = 25,696.24 : x
  2. Step 2: Convert to fraction form
    70,079.85/105,057.24 = 25,696.24/x
  3. Step 3: Cross multiply
    70,079.85x = 105,057.24 × 25,696.24
  4. Step 4: Simplify right side
    70,079.85x = 2,699,575,693.77
  5. Step 5: Solve for x
    x = 2,699,575,693.77/70,079.85
  6. Step 6: Final answer
    x = 38,521.43

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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.