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Finding the Fourth Proportional to 89,877.78, 134,678.07 and 44,233.07

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Solution

The fourth proportional to 89,877.78, 134,678.07 and 44,233.07 is: 66,281.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,877.78 : 134,678.07 = 44,233.07 : x
  2. Step 2: Convert to fraction form
    89,877.78/134,678.07 = 44,233.07/x
  3. Step 3: Cross multiply
    89,877.78x = 134,678.07 × 44,233.07
  4. Step 4: Simplify right side
    89,877.78x = 5,957,223,824.38
  5. Step 5: Solve for x
    x = 5,957,223,824.38/89,877.78
  6. Step 6: Final answer
    x = 66,281.39

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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.