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Finding the Fourth Proportional to 365,467.55, 548,294.76 and 140,767.68

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Solution

The fourth proportional to 365,467.55, 548,294.76 and 140,767.68 is: 211,187.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,467.55 : 548,294.76 = 140,767.68 : x
  2. Step 2: Convert to fraction form
    365,467.55/548,294.76 = 140,767.68/x
  3. Step 3: Cross multiply
    365,467.55x = 548,294.76 × 140,767.68
  4. Step 4: Simplify right side
    365,467.55x = 77,182,181,321.36
  5. Step 5: Solve for x
    x = 77,182,181,321.36/365,467.55
  6. Step 6: Final answer
    x = 211,187.51

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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.