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Finding the Fourth Proportional to 151,796.92, 209,494.60 and 88,130.92

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Solution

The fourth proportional to 151,796.92, 209,494.60 and 88,130.92 is: 121,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,796.92 : 209,494.60 = 88,130.92 : x
  2. Step 2: Convert to fraction form
    151,796.92/209,494.60 = 88,130.92/x
  3. Step 3: Cross multiply
    151,796.92x = 209,494.60 × 88,130.92
  4. Step 4: Simplify right side
    151,796.92x = 18,462,951,833.03
  5. Step 5: Solve for x
    x = 18,462,951,833.03/151,796.92
  6. Step 6: Final answer
    x = 121,629.29

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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.