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Finding the Fourth Proportional to 101,656.92, 140,270.22 and 63,904.44

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Solution

The fourth proportional to 101,656.92, 140,270.22 and 63,904.44 is: 88,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,656.92 : 140,270.22 = 63,904.44 : x
  2. Step 2: Convert to fraction form
    101,656.92/140,270.22 = 63,904.44/x
  3. Step 3: Cross multiply
    101,656.92x = 140,270.22 × 63,904.44
  4. Step 4: Simplify right side
    101,656.92x = 8,963,889,857.78
  5. Step 5: Solve for x
    x = 8,963,889,857.78/101,656.92
  6. Step 6: Final answer
    x = 88,177.86

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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.