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Finding the Fourth Proportional to 233,940.42, 322,832.39 and 138,448.71

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Solution

The fourth proportional to 233,940.42, 322,832.39 and 138,448.71 is: 191,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,940.42 : 322,832.39 = 138,448.71 : x
  2. Step 2: Convert to fraction form
    233,940.42/322,832.39 = 138,448.71/x
  3. Step 3: Cross multiply
    233,940.42x = 322,832.39 × 138,448.71
  4. Step 4: Simplify right side
    233,940.42x = 44,695,727,249.47
  5. Step 5: Solve for x
    x = 44,695,727,249.47/233,940.42
  6. Step 6: Final answer
    x = 191,056.03

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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.