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Finding the Fourth Proportional to 70,110, 96,651.32 and 43,234.47

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Solution

The fourth proportional to 70,110, 96,651.32 and 43,234.47 is: 59,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,110 : 96,651.32 = 43,234.47 : x
  2. Step 2: Convert to fraction form
    70,110/96,651.32 = 43,234.47/x
  3. Step 3: Cross multiply
    70,110x = 96,651.32 × 43,234.47
  4. Step 4: Simplify right side
    70,110x = 4,178,668,595.00
  5. Step 5: Solve for x
    x = 4,178,668,595.00/70,110
  6. Step 6: Final answer
    x = 59,601.61

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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.