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Finding the Fourth Proportional to 181,178.94, 271,800.24 and 68,868.97

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Solution

The fourth proportional to 181,178.94, 271,800.24 and 68,868.97 is: 103,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,178.94 : 271,800.24 = 68,868.97 : x
  2. Step 2: Convert to fraction form
    181,178.94/271,800.24 = 68,868.97/x
  3. Step 3: Cross multiply
    181,178.94x = 271,800.24 × 68,868.97
  4. Step 4: Simplify right side
    181,178.94x = 18,718,602,574.55
  5. Step 5: Solve for x
    x = 18,718,602,574.55/181,178.94
  6. Step 6: Final answer
    x = 103,315.55

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1.5x scale

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.