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Finding the Fourth Proportional to 133,836.80, 200,886.42 and 101,950.34

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Solution

The fourth proportional to 133,836.80, 200,886.42 and 101,950.34 is: 153,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,836.80 : 200,886.42 = 101,950.34 : x
  2. Step 2: Convert to fraction form
    133,836.80/200,886.42 = 101,950.34/x
  3. Step 3: Cross multiply
    133,836.80x = 200,886.42 × 101,950.34
  4. Step 4: Simplify right side
    133,836.80x = 20,480,438,820.38
  5. Step 5: Solve for x
    x = 20,480,438,820.38/133,836.80
  6. Step 6: Final answer
    x = 153,025.47

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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.