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Finding the Fourth Proportional to 132,495.40, 198,743.10 and 33,999.40

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Solution

The fourth proportional to 132,495.40, 198,743.10 and 33,999.40 is: 50,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,495.40 : 198,743.10 = 33,999.40 : x
  2. Step 2: Convert to fraction form
    132,495.40/198,743.10 = 33,999.40/x
  3. Step 3: Cross multiply
    132,495.40x = 198,743.10 × 33,999.40
  4. Step 4: Simplify right side
    132,495.40x = 6,757,146,154.14
  5. Step 5: Solve for x
    x = 6,757,146,154.14/132,495.40
  6. Step 6: Final answer
    x = 50,999.10

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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.