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Finding the Fourth Proportional to 171,632.96, 236,880.96 and 100,054.88

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Solution

The fourth proportional to 171,632.96, 236,880.96 and 100,054.88 is: 138,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,632.96 : 236,880.96 = 100,054.88 : x
  2. Step 2: Convert to fraction form
    171,632.96/236,880.96 = 100,054.88/x
  3. Step 3: Cross multiply
    171,632.96x = 236,880.96 × 100,054.88
  4. Step 4: Simplify right side
    171,632.96x = 23,701,096,027.08
  5. Step 5: Solve for x
    x = 23,701,096,027.08/171,632.96
  6. Step 6: Final answer
    x = 138,091.75

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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.