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Finding the Fourth Proportional to 365,769.12, 548,598.23 and 99,550.38

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Solution

The fourth proportional to 365,769.12, 548,598.23 and 99,550.38 is: 149,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,769.12 : 548,598.23 = 99,550.38 : x
  2. Step 2: Convert to fraction form
    365,769.12/548,598.23 = 99,550.38/x
  3. Step 3: Cross multiply
    365,769.12x = 548,598.23 × 99,550.38
  4. Step 4: Simplify right side
    365,769.12x = 54,613,162,263.83
  5. Step 5: Solve for x
    x = 54,613,162,263.83/365,769.12
  6. Step 6: Final answer
    x = 149,310.48

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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.