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Finding the Fourth Proportional to 132,758.67, 199,094.95 and 43,988.34

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Solution

The fourth proportional to 132,758.67, 199,094.95 and 43,988.34 is: 65,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,758.67 : 199,094.95 = 43,988.34 : x
  2. Step 2: Convert to fraction form
    132,758.67/199,094.95 = 43,988.34/x
  3. Step 3: Cross multiply
    132,758.67x = 199,094.95 × 43,988.34
  4. Step 4: Simplify right side
    132,758.67x = 8,757,856,907.04
  5. Step 5: Solve for x
    x = 8,757,856,907.04/132,758.67
  6. Step 6: Final answer
    x = 65,968.25

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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.