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Finding the Fourth Proportional to 188,841.20, 283,123.08 and 88,945.11

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Solution

The fourth proportional to 188,841.20, 283,123.08 and 88,945.11 is: 133,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,841.20 : 283,123.08 = 88,945.11 : x
  2. Step 2: Convert to fraction form
    188,841.20/283,123.08 = 88,945.11/x
  3. Step 3: Cross multiply
    188,841.20x = 283,123.08 × 88,945.11
  4. Step 4: Simplify right side
    188,841.20x = 25,182,413,494.14
  5. Step 5: Solve for x
    x = 25,182,413,494.14/188,841.20
  6. Step 6: Final answer
    x = 133,352.33

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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.