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Finding the Fourth Proportional to 373,077.81, 559,696.68 and 120,372.75

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Solution

The fourth proportional to 373,077.81, 559,696.68 and 120,372.75 is: 180,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,077.81 : 559,696.68 = 120,372.75 : x
  2. Step 2: Convert to fraction form
    373,077.81/559,696.68 = 120,372.75/x
  3. Step 3: Cross multiply
    373,077.81x = 559,696.68 × 120,372.75
  4. Step 4: Simplify right side
    373,077.81x = 67,372,228,537.47
  5. Step 5: Solve for x
    x = 67,372,228,537.47/373,077.81
  6. Step 6: Final answer
    x = 180,584.93

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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.