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Finding the Fourth Proportional to 91,910.90, 137,849.95 and 24,443.32

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Solution

The fourth proportional to 91,910.90, 137,849.95 and 24,443.32 is: 36,660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,910.90 : 137,849.95 = 24,443.32 : x
  2. Step 2: Convert to fraction form
    91,910.90/137,849.95 = 24,443.32/x
  3. Step 3: Cross multiply
    91,910.90x = 137,849.95 × 24,443.32
  4. Step 4: Simplify right side
    91,910.90x = 3,369,510,384.23
  5. Step 5: Solve for x
    x = 3,369,510,384.23/91,910.90
  6. Step 6: Final answer
    x = 36,660.62

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Why These Related Problems?

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