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Finding the Fourth Proportional to 365,468.06, 548,295.51 and 140,768.18

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Solution

The fourth proportional to 365,468.06, 548,295.51 and 140,768.18 is: 211,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,468.06 : 548,295.51 = 140,768.18 : x
  2. Step 2: Convert to fraction form
    365,468.06/548,295.51 = 140,768.18/x
  3. Step 3: Cross multiply
    365,468.06x = 548,295.51 × 140,768.18
  4. Step 4: Simplify right side
    365,468.06x = 77,182,561,044.87
  5. Step 5: Solve for x
    x = 77,182,561,044.87/365,468.06
  6. Step 6: Final answer
    x = 211,188.25

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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.