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Finding the Fourth Proportional to 68,365.16, 94,344.14 and 38,151.76

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Solution

The fourth proportional to 68,365.16, 94,344.14 and 38,151.76 is: 52,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,365.16 : 94,344.14 = 38,151.76 : x
  2. Step 2: Convert to fraction form
    68,365.16/94,344.14 = 38,151.76/x
  3. Step 3: Cross multiply
    68,365.16x = 94,344.14 × 38,151.76
  4. Step 4: Simplify right side
    68,365.16x = 3,599,394,795.93
  5. Step 5: Solve for x
    x = 3,599,394,795.93/68,365.16
  6. Step 6: Final answer
    x = 52,649.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.