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Finding the Fourth Proportional to 269,695.72, 372,203.94 and 148,863.16

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Solution

The fourth proportional to 269,695.72, 372,203.94 and 148,863.16 is: 205,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,695.72 : 372,203.94 = 148,863.16 : x
  2. Step 2: Convert to fraction form
    269,695.72/372,203.94 = 148,863.16/x
  3. Step 3: Cross multiply
    269,695.72x = 372,203.94 × 148,863.16
  4. Step 4: Simplify right side
    269,695.72x = 55,407,454,672.85
  5. Step 5: Solve for x
    x = 55,407,454,672.85/269,695.72
  6. Step 6: Final answer
    x = 205,444.32

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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.