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Finding the Fourth Proportional to 365,828.81, 548,687.72 and 99,610.26

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Solution

The fourth proportional to 365,828.81, 548,687.72 and 99,610.26 is: 149,400.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,828.81 : 548,687.72 = 99,610.26 : x
  2. Step 2: Convert to fraction form
    365,828.81/548,687.72 = 99,610.26/x
  3. Step 3: Cross multiply
    365,828.81x = 548,687.72 × 99,610.26
  4. Step 4: Simplify right side
    365,828.81x = 54,654,924,639.45
  5. Step 5: Solve for x
    x = 54,654,924,639.45/365,828.81
  6. Step 6: Final answer
    x = 149,400.28

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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.