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Finding the Fourth Proportional to 133,390.24, 199,863.24 and 93,864.32

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Solution

The fourth proportional to 133,390.24, 199,863.24 and 93,864.32 is: 140,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,390.24 : 199,863.24 = 93,864.32 : x
  2. Step 2: Convert to fraction form
    133,390.24/199,863.24 = 93,864.32/x
  3. Step 3: Cross multiply
    133,390.24x = 199,863.24 × 93,864.32
  4. Step 4: Simplify right side
    133,390.24x = 18,760,027,115.60
  5. Step 5: Solve for x
    x = 18,760,027,115.60/133,390.24
  6. Step 6: Final answer
    x = 140,640.18

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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.