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Finding the Fourth Proportional to 100,369.92, 150,569.19 and 32,887.51

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Solution

The fourth proportional to 100,369.92, 150,569.19 and 32,887.51 is: 49,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,369.92 : 150,569.19 = 32,887.51 : x
  2. Step 2: Convert to fraction form
    100,369.92/150,569.19 = 32,887.51/x
  3. Step 3: Cross multiply
    100,369.92x = 150,569.19 × 32,887.51
  4. Step 4: Simplify right side
    100,369.92x = 4,951,845,741.82
  5. Step 5: Solve for x
    x = 4,951,845,741.82/100,369.92
  6. Step 6: Final answer
    x = 49,335.96

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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.