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Finding the Fourth Proportional to 188,998.48, 283,498.12 and 177,451.12

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Solution

The fourth proportional to 188,998.48, 283,498.12 and 177,451.12 is: 266,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,998.48 : 283,498.12 = 177,451.12 : x
  2. Step 2: Convert to fraction form
    188,998.48/283,498.12 = 177,451.12/x
  3. Step 3: Cross multiply
    188,998.48x = 283,498.12 × 177,451.12
  4. Step 4: Simplify right side
    188,998.48x = 50,307,058,911.89
  5. Step 5: Solve for x
    x = 50,307,058,911.89/188,998.48
  6. Step 6: Final answer
    x = 266,177.06

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1.5x scale

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.