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Finding the Fourth Proportional to 70,162.90, 96,808.44 and 43,306.54

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Solution

The fourth proportional to 70,162.90, 96,808.44 and 43,306.54 is: 59,752.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,162.90 : 96,808.44 = 43,306.54 : x
  2. Step 2: Convert to fraction form
    70,162.90/96,808.44 = 43,306.54/x
  3. Step 3: Cross multiply
    70,162.90x = 96,808.44 × 43,306.54
  4. Step 4: Simplify right side
    70,162.90x = 4,192,438,579.20
  5. Step 5: Solve for x
    x = 4,192,438,579.20/70,162.90
  6. Step 6: Final answer
    x = 59,752.93

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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.