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Finding the Fourth Proportional to 251,847.59, 377,680.66 and 83,336.81

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Solution

The fourth proportional to 251,847.59, 377,680.66 and 83,336.81 is: 124,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,847.59 : 377,680.66 = 83,336.81 : x
  2. Step 2: Convert to fraction form
    251,847.59/377,680.66 = 83,336.81/x
  3. Step 3: Cross multiply
    251,847.59x = 377,680.66 × 83,336.81
  4. Step 4: Simplify right side
    251,847.59x = 31,474,699,306.35
  5. Step 5: Solve for x
    x = 31,474,699,306.35/251,847.59
  6. Step 6: Final answer
    x = 124,975.19

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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.