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Finding the Fourth Proportional to 269,746.44, 372,223.55 and 148,879.92

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Solution

The fourth proportional to 269,746.44, 372,223.55 and 148,879.92 is: 205,439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,746.44 : 372,223.55 = 148,879.92 : x
  2. Step 2: Convert to fraction form
    269,746.44/372,223.55 = 148,879.92/x
  3. Step 3: Cross multiply
    269,746.44x = 372,223.55 × 148,879.92
  4. Step 4: Simplify right side
    269,746.44x = 55,416,611,601.72
  5. Step 5: Solve for x
    x = 55,416,611,601.72/269,746.44
  6. Step 6: Final answer
    x = 205,439.64

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1.5x scale

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.