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Finding the Fourth Proportional to 114,338.23, 157,736.49 and 68,990.92

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Solution

The fourth proportional to 114,338.23, 157,736.49 and 68,990.92 is: 95,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,338.23 : 157,736.49 = 68,990.92 : x
  2. Step 2: Convert to fraction form
    114,338.23/157,736.49 = 68,990.92/x
  3. Step 3: Cross multiply
    114,338.23x = 157,736.49 × 68,990.92
  4. Step 4: Simplify right side
    114,338.23x = 10,882,385,562.67
  5. Step 5: Solve for x
    x = 10,882,385,562.67/114,338.23
  6. Step 6: Final answer
    x = 95,177.14

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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.