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Finding the Fourth Proportional to 188,616.96, 282,925.44 and 88,715.04

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Solution

The fourth proportional to 188,616.96, 282,925.44 and 88,715.04 is: 133,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,616.96 : 282,925.44 = 88,715.04 : x
  2. Step 2: Convert to fraction form
    188,616.96/282,925.44 = 88,715.04/x
  3. Step 3: Cross multiply
    188,616.96x = 282,925.44 × 88,715.04
  4. Step 4: Simplify right side
    188,616.96x = 25,099,741,726.62
  5. Step 5: Solve for x
    x = 25,099,741,726.62/188,616.96
  6. Step 6: Final answer
    x = 133,072.56

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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.