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Finding the Fourth Proportional to 168,381.92, 232,406.96 and 96,803.51

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Solution

The fourth proportional to 168,381.92, 232,406.96 and 96,803.51 is: 133,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,381.92 : 232,406.96 = 96,803.51 : x
  2. Step 2: Convert to fraction form
    168,381.92/232,406.96 = 96,803.51/x
  3. Step 3: Cross multiply
    168,381.92x = 232,406.96 × 96,803.51
  4. Step 4: Simplify right side
    168,381.92x = 22,497,807,830.38
  5. Step 5: Solve for x
    x = 22,497,807,830.38/168,381.92
  6. Step 6: Final answer
    x = 133,611.78

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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.