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Finding the Fourth Proportional to 188,901.32, 283,122.34 and 88,944.48

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Solution

The fourth proportional to 188,901.32, 283,122.34 and 88,944.48 is: 133,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,901.32 : 283,122.34 = 88,944.48 : x
  2. Step 2: Convert to fraction form
    188,901.32/283,122.34 = 88,944.48/x
  3. Step 3: Cross multiply
    188,901.32x = 283,122.34 × 88,944.48
  4. Step 4: Simplify right side
    188,901.32x = 25,182,169,085.32
  5. Step 5: Solve for x
    x = 25,182,169,085.32/188,901.32
  6. Step 6: Final answer
    x = 133,308.60

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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.