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Finding the Fourth Proportional to 188,476.61, 282,308.93 and 88,486.97

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Solution

The fourth proportional to 188,476.61, 282,308.93 and 88,486.97 is: 132,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,476.61 : 282,308.93 = 88,486.97 : x
  2. Step 2: Convert to fraction form
    188,476.61/282,308.93 = 88,486.97/x
  3. Step 3: Cross multiply
    188,476.61x = 282,308.93 × 88,486.97
  4. Step 4: Simplify right side
    188,476.61x = 24,980,660,297.49
  5. Step 5: Solve for x
    x = 24,980,660,297.49/188,476.61
  6. Step 6: Final answer
    x = 132,539.85

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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.