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Finding the Fourth Proportional to 89,100.33, 133,670.45 and 29,934.39

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Solution

The fourth proportional to 89,100.33, 133,670.45 and 29,934.39 is: 44,908.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,100.33 : 133,670.45 = 29,934.39 : x
  2. Step 2: Convert to fraction form
    89,100.33/133,670.45 = 29,934.39/x
  3. Step 3: Cross multiply
    89,100.33x = 133,670.45 × 29,934.39
  4. Step 4: Simplify right side
    89,100.33x = 4,001,343,232.10
  5. Step 5: Solve for x
    x = 4,001,343,232.10/89,100.33
  6. Step 6: Final answer
    x = 44,908.29

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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.