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Finding the Fourth Proportional to 365,819.63, 548,674.09 and 99,601.13

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Solution

The fourth proportional to 365,819.63, 548,674.09 and 99,601.13 is: 149,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,819.63 : 548,674.09 = 99,601.13 : x
  2. Step 2: Convert to fraction form
    365,819.63/548,674.09 = 99,601.13/x
  3. Step 3: Cross multiply
    365,819.63x = 548,674.09 × 99,601.13
  4. Step 4: Simplify right side
    365,819.63x = 54,648,559,365.72
  5. Step 5: Solve for x
    x = 54,648,559,365.72/365,819.63
  6. Step 6: Final answer
    x = 149,386.62

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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.