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Finding the Fourth Proportional to 365,768.74, 548,597.67 and 99,550

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Solution

The fourth proportional to 365,768.74, 548,597.67 and 99,550 is: 149,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,768.74 : 548,597.67 = 99,550 : x
  2. Step 2: Convert to fraction form
    365,768.74/548,597.67 = 99,550/x
  3. Step 3: Cross multiply
    365,768.74x = 548,597.67 × 99,550
  4. Step 4: Simplify right side
    365,768.74x = 54,612,898,048.50
  5. Step 5: Solve for x
    x = 54,612,898,048.50/365,768.74
  6. Step 6: Final answer
    x = 149,309.91

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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.