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Finding the Fourth Proportional to 344,726.42, 517,091.93 and 120,091.10

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Solution

The fourth proportional to 344,726.42, 517,091.93 and 120,091.10 is: 180,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,726.42 : 517,091.93 = 120,091.10 : x
  2. Step 2: Convert to fraction form
    344,726.42/517,091.93 = 120,091.10/x
  3. Step 3: Cross multiply
    344,726.42x = 517,091.93 × 120,091.10
  4. Step 4: Simplify right side
    344,726.42x = 62,098,135,488.91
  5. Step 5: Solve for x
    x = 62,098,135,488.91/344,726.42
  6. Step 6: Final answer
    x = 180,137.44

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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.