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Finding the Fourth Proportional to 88,662.10, 133,036.35 and 67,594.90

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Solution

The fourth proportional to 88,662.10, 133,036.35 and 67,594.90 is: 101,425.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,662.10 : 133,036.35 = 67,594.90 : x
  2. Step 2: Convert to fraction form
    88,662.10/133,036.35 = 67,594.90/x
  3. Step 3: Cross multiply
    88,662.10x = 133,036.35 × 67,594.90
  4. Step 4: Simplify right side
    88,662.10x = 8,992,578,774.62
  5. Step 5: Solve for x
    x = 8,992,578,774.62/88,662.10
  6. Step 6: Final answer
    x = 101,425.29

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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.