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Finding the Fourth Proportional to 68,455.55, 94,463.19 and 38,238.50

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Solution

The fourth proportional to 68,455.55, 94,463.19 and 38,238.50 is: 52,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,455.55 : 94,463.19 = 38,238.50 : x
  2. Step 2: Convert to fraction form
    68,455.55/94,463.19 = 38,238.50/x
  3. Step 3: Cross multiply
    68,455.55x = 94,463.19 × 38,238.50
  4. Step 4: Simplify right side
    68,455.55x = 3,612,130,218.50
  5. Step 5: Solve for x
    x = 3,612,130,218.50/68,455.55
  6. Step 6: Final answer
    x = 52,766.07

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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.