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Finding the Fourth Proportional to 175,963.32, 242,832.42 and 100,512.36

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Solution

The fourth proportional to 175,963.32, 242,832.42 and 100,512.36 is: 138,708.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,963.32 : 242,832.42 = 100,512.36 : x
  2. Step 2: Convert to fraction form
    175,963.32/242,832.42 = 100,512.36/x
  3. Step 3: Cross multiply
    175,963.32x = 242,832.42 × 100,512.36
  4. Step 4: Simplify right side
    175,963.32x = 24,407,659,618.71
  5. Step 5: Solve for x
    x = 24,407,659,618.71/175,963.32
  6. Step 6: Final answer
    x = 138,708.79

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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.