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Finding the Fourth Proportional to 171,887.54, 257,827.26 and 101,258.12

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Solution

The fourth proportional to 171,887.54, 257,827.26 and 101,258.12 is: 151,884.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,887.54 : 257,827.26 = 101,258.12 : x
  2. Step 2: Convert to fraction form
    171,887.54/257,827.26 = 101,258.12/x
  3. Step 3: Cross multiply
    171,887.54x = 257,827.26 × 101,258.12
  4. Step 4: Simplify right side
    171,887.54x = 26,107,103,632.35
  5. Step 5: Solve for x
    x = 26,107,103,632.35/171,887.54
  6. Step 6: Final answer
    x = 151,884.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.