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Finding the Fourth Proportional to 168,357.91, 232,338.82 and 91,881.93

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Solution

The fourth proportional to 168,357.91, 232,338.82 and 91,881.93 is: 126,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,357.91 : 232,338.82 = 91,881.93 : x
  2. Step 2: Convert to fraction form
    168,357.91/232,338.82 = 91,881.93/x
  3. Step 3: Cross multiply
    168,357.91x = 232,338.82 × 91,881.93
  4. Step 4: Simplify right side
    168,357.91x = 21,347,737,574.42
  5. Step 5: Solve for x
    x = 21,347,737,574.42/168,357.91
  6. Step 6: Final answer
    x = 126,799.73

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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.