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Finding the Fourth Proportional to 91,374.62, 137,046.21 and 24,820.11

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Solution

The fourth proportional to 91,374.62, 137,046.21 and 24,820.11 is: 37,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,374.62 : 137,046.21 = 24,820.11 : x
  2. Step 2: Convert to fraction form
    91,374.62/137,046.21 = 24,820.11/x
  3. Step 3: Cross multiply
    91,374.62x = 137,046.21 × 24,820.11
  4. Step 4: Simplify right side
    91,374.62x = 3,401,502,007.28
  5. Step 5: Solve for x
    x = 3,401,502,007.28/91,374.62
  6. Step 6: Final answer
    x = 37,225.89

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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.