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Finding the Fourth Proportional to 365,969.30, 548,975.48 and 141,330.92

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Solution

The fourth proportional to 365,969.30, 548,975.48 and 141,330.92 is: 212,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,969.30 : 548,975.48 = 141,330.92 : x
  2. Step 2: Convert to fraction form
    365,969.30/548,975.48 = 141,330.92/x
  3. Step 3: Cross multiply
    365,969.30x = 548,975.48 × 141,330.92
  4. Step 4: Simplify right side
    365,969.30x = 77,587,206,194.31
  5. Step 5: Solve for x
    x = 77,587,206,194.31/365,969.30
  6. Step 6: Final answer
    x = 212,004.69

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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.