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Finding the Fourth Proportional to 269,793.36, 372,320.28 and 148,934.16

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Solution

The fourth proportional to 269,793.36, 372,320.28 and 148,934.16 is: 205,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,793.36 : 372,320.28 = 148,934.16 : x
  2. Step 2: Convert to fraction form
    269,793.36/372,320.28 = 148,934.16/x
  3. Step 3: Cross multiply
    269,793.36x = 372,320.28 × 148,934.16
  4. Step 4: Simplify right side
    269,793.36x = 55,451,208,152.76
  5. Step 5: Solve for x
    x = 55,451,208,152.76/269,793.36
  6. Step 6: Final answer
    x = 205,532.15

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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.