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Finding the Fourth Proportional to 239,271.98, 330,218.60 and 178,737.53

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Solution

The fourth proportional to 239,271.98, 330,218.60 and 178,737.53 is: 246,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,271.98 : 330,218.60 = 178,737.53 : x
  2. Step 2: Convert to fraction form
    239,271.98/330,218.60 = 178,737.53/x
  3. Step 3: Cross multiply
    239,271.98x = 330,218.60 × 178,737.53
  4. Step 4: Simplify right side
    239,271.98x = 59,022,454,379.28
  5. Step 5: Solve for x
    x = 59,022,454,379.28/239,271.98
  6. Step 6: Final answer
    x = 246,675.17

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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.