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Finding the Fourth Proportional to 89,264.88, 133,637.31 and 47,044.44

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Solution

The fourth proportional to 89,264.88, 133,637.31 and 47,044.44 is: 70,429.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,264.88 : 133,637.31 = 47,044.44 : x
  2. Step 2: Convert to fraction form
    89,264.88/133,637.31 = 47,044.44/x
  3. Step 3: Cross multiply
    89,264.88x = 133,637.31 × 47,044.44
  4. Step 4: Simplify right side
    89,264.88x = 6,286,892,412.06
  5. Step 5: Solve for x
    x = 6,286,892,412.06/89,264.88
  6. Step 6: Final answer
    x = 70,429.63

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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.