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Finding the Fourth Proportional to 133,027.70, 199,599.15 and 62,870.90

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Solution

The fourth proportional to 133,027.70, 199,599.15 and 62,870.90 is: 94,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,027.70 : 199,599.15 = 62,870.90 : x
  2. Step 2: Convert to fraction form
    133,027.70/199,599.15 = 62,870.90/x
  3. Step 3: Cross multiply
    133,027.70x = 199,599.15 × 62,870.90
  4. Step 4: Simplify right side
    133,027.70x = 12,548,978,199.74
  5. Step 5: Solve for x
    x = 12,548,978,199.74/133,027.70
  6. Step 6: Final answer
    x = 94,333.57

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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.