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Finding the Fourth Proportional to 67,158.72, 92,682.72 and 38,873.52

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Solution

The fourth proportional to 67,158.72, 92,682.72 and 38,873.52 is: 53,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,158.72 : 92,682.72 = 38,873.52 : x
  2. Step 2: Convert to fraction form
    67,158.72/92,682.72 = 38,873.52/x
  3. Step 3: Cross multiply
    67,158.72x = 92,682.72 × 38,873.52
  4. Step 4: Simplify right side
    67,158.72x = 3,602,903,569.57
  5. Step 5: Solve for x
    x = 3,602,903,569.57/67,158.72
  6. Step 6: Final answer
    x = 53,647.59

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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.