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Finding the Fourth Proportional to 90,594.49, 135,930.13 and 48,463.53

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Solution

The fourth proportional to 90,594.49, 135,930.13 and 48,463.53 is: 72,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,594.49 : 135,930.13 = 48,463.53 : x
  2. Step 2: Convert to fraction form
    90,594.49/135,930.13 = 48,463.53/x
  3. Step 3: Cross multiply
    90,594.49x = 135,930.13 × 48,463.53
  4. Step 4: Simplify right side
    90,594.49x = 6,587,653,690.84
  5. Step 5: Solve for x
    x = 6,587,653,690.84/90,594.49
  6. Step 6: Final answer
    x = 72,715.83

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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.