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Finding the Fourth Proportional to 68,828.03, 95,016.11 and 46,158.78

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Solution

The fourth proportional to 68,828.03, 95,016.11 and 46,158.78 is: 63,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828.03 : 95,016.11 = 46,158.78 : x
  2. Step 2: Convert to fraction form
    68,828.03/95,016.11 = 46,158.78/x
  3. Step 3: Cross multiply
    68,828.03x = 95,016.11 × 46,158.78
  4. Step 4: Simplify right side
    68,828.03x = 4,385,827,487.15
  5. Step 5: Solve for x
    x = 4,385,827,487.15/68,828.03
  6. Step 6: Final answer
    x = 63,721.54

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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.