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Finding the Fourth Proportional to 89,375.54, 134,063.18 and 22,815.68

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Solution

The fourth proportional to 89,375.54, 134,063.18 and 22,815.68 is: 34,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,375.54 : 134,063.18 = 22,815.68 : x
  2. Step 2: Convert to fraction form
    89,375.54/134,063.18 = 22,815.68/x
  3. Step 3: Cross multiply
    89,375.54x = 134,063.18 × 22,815.68
  4. Step 4: Simplify right side
    89,375.54x = 3,058,742,044.17
  5. Step 5: Solve for x
    x = 3,058,742,044.17/89,375.54
  6. Step 6: Final answer
    x = 34,223.48

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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.