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Finding the Fourth Proportional to 365,767.53, 548,595.87 and 99,548.79

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Solution

The fourth proportional to 365,767.53, 548,595.87 and 99,548.79 is: 149,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,767.53 : 548,595.87 = 99,548.79 : x
  2. Step 2: Convert to fraction form
    365,767.53/548,595.87 = 99,548.79/x
  3. Step 3: Cross multiply
    365,767.53x = 548,595.87 × 99,548.79
  4. Step 4: Simplify right side
    365,767.53x = 54,612,055,057.50
  5. Step 5: Solve for x
    x = 54,612,055,057.50/365,767.53
  6. Step 6: Final answer
    x = 149,308.10

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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.