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Finding the Fourth Proportional to 68,663.74, 94,707.01 and 63,016.69

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Solution

The fourth proportional to 68,663.74, 94,707.01 and 63,016.69 is: 86,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,663.74 : 94,707.01 = 63,016.69 : x
  2. Step 2: Convert to fraction form
    68,663.74/94,707.01 = 63,016.69/x
  3. Step 3: Cross multiply
    68,663.74x = 94,707.01 × 63,016.69
  4. Step 4: Simplify right side
    68,663.74x = 5,968,122,290.00
  5. Step 5: Solve for x
    x = 5,968,122,290.00/68,663.74
  6. Step 6: Final answer
    x = 86,918.11

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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.