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Finding the Fourth Proportional to 89,243.56, 133,877.87 and 26,068.32

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Solution

The fourth proportional to 89,243.56, 133,877.87 and 26,068.32 is: 39,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,243.56 : 133,877.87 = 26,068.32 : x
  2. Step 2: Convert to fraction form
    89,243.56/133,877.87 = 26,068.32/x
  3. Step 3: Cross multiply
    89,243.56x = 133,877.87 × 26,068.32
  4. Step 4: Simplify right side
    89,243.56x = 3,489,971,123.49
  5. Step 5: Solve for x
    x = 3,489,971,123.49/89,243.56
  6. Step 6: Final answer
    x = 39,106.14

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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.