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Finding the Fourth Proportional to 201,366.93, 302,049 and 68,340.84

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Solution

The fourth proportional to 201,366.93, 302,049 and 68,340.84 is: 102,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,366.93 : 302,049 = 68,340.84 : x
  2. Step 2: Convert to fraction form
    201,366.93/302,049 = 68,340.84/x
  3. Step 3: Cross multiply
    201,366.93x = 302,049 × 68,340.84
  4. Step 4: Simplify right side
    201,366.93x = 20,642,282,381.16
  5. Step 5: Solve for x
    x = 20,642,282,381.16/201,366.93
  6. Step 6: Final answer
    x = 102,510.79

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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.