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Finding the Fourth Proportional to 68,904.74, 95,081.46 and 46,239.20

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Solution

The fourth proportional to 68,904.74, 95,081.46 and 46,239.20 is: 63,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,904.74 : 95,081.46 = 46,239.20 : x
  2. Step 2: Convert to fraction form
    68,904.74/95,081.46 = 46,239.20/x
  3. Step 3: Cross multiply
    68,904.74x = 95,081.46 × 46,239.20
  4. Step 4: Simplify right side
    68,904.74x = 4,396,490,645.23
  5. Step 5: Solve for x
    x = 4,396,490,645.23/68,904.74
  6. Step 6: Final answer
    x = 63,805.34

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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.