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Finding the Fourth Proportional to 188,087.64, 282,117.69 and 88,270.53

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Solution

The fourth proportional to 188,087.64, 282,117.69 and 88,270.53 is: 132,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,087.64 : 282,117.69 = 88,270.53 : x
  2. Step 2: Convert to fraction form
    188,087.64/282,117.69 = 88,270.53/x
  3. Step 3: Cross multiply
    188,087.64x = 282,117.69 × 88,270.53
  4. Step 4: Simplify right side
    188,087.64x = 24,902,678,018.68
  5. Step 5: Solve for x
    x = 24,902,678,018.68/188,087.64
  6. Step 6: Final answer
    x = 132,399.33

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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.