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Finding the Fourth Proportional to 89,294.30, 133,994.07 and 36,011.69

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Solution

The fourth proportional to 89,294.30, 133,994.07 and 36,011.69 is: 54,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,294.30 : 133,994.07 = 36,011.69 : x
  2. Step 2: Convert to fraction form
    89,294.30/133,994.07 = 36,011.69/x
  3. Step 3: Cross multiply
    89,294.30x = 133,994.07 × 36,011.69
  4. Step 4: Simplify right side
    89,294.30x = 4,825,352,844.47
  5. Step 5: Solve for x
    x = 4,825,352,844.47/89,294.30
  6. Step 6: Final answer
    x = 54,038.76

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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.