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Finding the Fourth Proportional to 373,144.70, 559,772.40 and 120,342.08

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Solution

The fourth proportional to 373,144.70, 559,772.40 and 120,342.08 is: 180,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,144.70 : 559,772.40 = 120,342.08 : x
  2. Step 2: Convert to fraction form
    373,144.70/559,772.40 = 120,342.08/x
  3. Step 3: Cross multiply
    373,144.70x = 559,772.40 × 120,342.08
  4. Step 4: Simplify right side
    373,144.70x = 67,364,174,942.59
  5. Step 5: Solve for x
    x = 67,364,174,942.59/373,144.70
  6. Step 6: Final answer
    x = 180,530.97

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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.