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Finding the Fourth Proportional to 188,007.69, 281,928.51 and 88,087.32

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Solution

The fourth proportional to 188,007.69, 281,928.51 and 88,087.32 is: 132,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,007.69 : 281,928.51 = 88,087.32 : x
  2. Step 2: Convert to fraction form
    188,007.69/281,928.51 = 88,087.32/x
  3. Step 3: Cross multiply
    188,007.69x = 281,928.51 × 88,087.32
  4. Step 4: Simplify right side
    188,007.69x = 24,834,326,877.49
  5. Step 5: Solve for x
    x = 24,834,326,877.49/188,007.69
  6. Step 6: Final answer
    x = 132,092.08

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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.