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Finding the Fourth Proportional to 188,118.99, 282,270.76 and 88,287.30

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Solution

The fourth proportional to 188,118.99, 282,270.76 and 88,287.30 is: 132,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,118.99 : 282,270.76 = 88,287.30 : x
  2. Step 2: Convert to fraction form
    188,118.99/282,270.76 = 88,287.30/x
  3. Step 3: Cross multiply
    188,118.99x = 282,270.76 × 88,287.30
  4. Step 4: Simplify right side
    188,118.99x = 24,920,923,048.63
  5. Step 5: Solve for x
    x = 24,920,923,048.63/188,118.99
  6. Step 6: Final answer
    x = 132,474.25

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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.