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Finding the Fourth Proportional to 113,467.40, 169,893.90 and 88,891.40

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Solution

The fourth proportional to 113,467.40, 169,893.90 and 88,891.40 is: 133,096.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,467.40 : 169,893.90 = 88,891.40 : x
  2. Step 2: Convert to fraction form
    113,467.40/169,893.90 = 88,891.40/x
  3. Step 3: Cross multiply
    113,467.40x = 169,893.90 × 88,891.40
  4. Step 4: Simplify right side
    113,467.40x = 15,102,106,622.46
  5. Step 5: Solve for x
    x = 15,102,106,622.46/113,467.40
  6. Step 6: Final answer
    x = 133,096.44

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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.