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Finding the Fourth Proportional to 365,768.66, 548,597.55 and 99,549.92

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Solution

The fourth proportional to 365,768.66, 548,597.55 and 99,549.92 is: 149,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,768.66 : 548,597.55 = 99,549.92 : x
  2. Step 2: Convert to fraction form
    365,768.66/548,597.55 = 99,549.92/x
  3. Step 3: Cross multiply
    365,768.66x = 548,597.55 × 99,549.92
  4. Step 4: Simplify right side
    365,768.66x = 54,612,843,586.19
  5. Step 5: Solve for x
    x = 54,612,843,586.19/365,768.66
  6. Step 6: Final answer
    x = 149,309.79

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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.