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Finding the Fourth Proportional to 133,060.40, 199,645.28 and 48,860.90

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Solution

The fourth proportional to 133,060.40, 199,645.28 and 48,860.90 is: 73,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,060.40 : 199,645.28 = 48,860.90 : x
  2. Step 2: Convert to fraction form
    133,060.40/199,645.28 = 48,860.90/x
  3. Step 3: Cross multiply
    133,060.40x = 199,645.28 × 48,860.90
  4. Step 4: Simplify right side
    133,060.40x = 9,754,848,061.55
  5. Step 5: Solve for x
    x = 9,754,848,061.55/133,060.40
  6. Step 6: Final answer
    x = 73,311.43

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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.