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Finding the Fourth Proportional to 69,670.44, 96,151.59 and 39,456.99

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Solution

The fourth proportional to 69,670.44, 96,151.59 and 39,456.99 is: 54,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,670.44 : 96,151.59 = 39,456.99 : x
  2. Step 2: Convert to fraction form
    69,670.44/96,151.59 = 39,456.99/x
  3. Step 3: Cross multiply
    69,670.44x = 96,151.59 × 39,456.99
  4. Step 4: Simplify right side
    69,670.44x = 3,793,852,325.11
  5. Step 5: Solve for x
    x = 3,793,852,325.11/69,670.44
  6. Step 6: Final answer
    x = 54,454.26

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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.