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Finding the Fourth Proportional to 91,946.50, 137,919.54 and 24,478.55

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Solution

The fourth proportional to 91,946.50, 137,919.54 and 24,478.55 is: 36,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,946.50 : 137,919.54 = 24,478.55 : x
  2. Step 2: Convert to fraction form
    91,946.50/137,919.54 = 24,478.55/x
  3. Step 3: Cross multiply
    91,946.50x = 137,919.54 × 24,478.55
  4. Step 4: Simplify right side
    91,946.50x = 3,376,070,355.87
  5. Step 5: Solve for x
    x = 3,376,070,355.87/91,946.50
  6. Step 6: Final answer
    x = 36,717.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.