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Finding the Fourth Proportional to 365,770.49, 548,600.29 and 99,551.75

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Solution

The fourth proportional to 365,770.49, 548,600.29 and 99,551.75 is: 149,312.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,770.49 : 548,600.29 = 99,551.75 : x
  2. Step 2: Convert to fraction form
    365,770.49/548,600.29 = 99,551.75/x
  3. Step 3: Cross multiply
    365,770.49x = 548,600.29 × 99,551.75
  4. Step 4: Simplify right side
    365,770.49x = 54,614,118,920.01
  5. Step 5: Solve for x
    x = 54,614,118,920.01/365,770.49
  6. Step 6: Final answer
    x = 149,312.53

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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.