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Finding the Fourth Proportional to 117,227.16, 161,773.62 and 63,512.16

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Solution

The fourth proportional to 117,227.16, 161,773.62 and 63,512.16 is: 87,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,227.16 : 161,773.62 = 63,512.16 : x
  2. Step 2: Convert to fraction form
    117,227.16/161,773.62 = 63,512.16/x
  3. Step 3: Cross multiply
    117,227.16x = 161,773.62 × 63,512.16
  4. Step 4: Simplify right side
    117,227.16x = 10,274,592,037.22
  5. Step 5: Solve for x
    x = 10,274,592,037.22/117,227.16
  6. Step 6: Final answer
    x = 87,646.86

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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.