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Finding the Fourth Proportional to 269,797.08, 372,320.55 and 148,938.54

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Solution

The fourth proportional to 269,797.08, 372,320.55 and 148,938.54 is: 205,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,797.08 : 372,320.55 = 148,938.54 : x
  2. Step 2: Convert to fraction form
    269,797.08/372,320.55 = 148,938.54/x
  3. Step 3: Cross multiply
    269,797.08x = 372,320.55 × 148,938.54
  4. Step 4: Simplify right side
    269,797.08x = 55,452,879,129.00
  5. Step 5: Solve for x
    x = 55,452,879,129.00/269,797.08
  6. Step 6: Final answer
    x = 205,535.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.