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Finding the Fourth Proportional to 134,383.70, 201,700.28 and 67,870.54

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Solution

The fourth proportional to 134,383.70, 201,700.28 and 67,870.54 is: 101,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,383.70 : 201,700.28 = 67,870.54 : x
  2. Step 2: Convert to fraction form
    134,383.70/201,700.28 = 67,870.54/x
  3. Step 3: Cross multiply
    134,383.70x = 201,700.28 × 67,870.54
  4. Step 4: Simplify right side
    134,383.70x = 13,689,505,573.90
  5. Step 5: Solve for x
    x = 13,689,505,573.90/134,383.70
  6. Step 6: Final answer
    x = 101,868.79

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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.