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Finding the Fourth Proportional to 228,957.12, 343,338.48 and 123,747.84

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Solution

The fourth proportional to 228,957.12, 343,338.48 and 123,747.84 is: 185,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,957.12 : 343,338.48 = 123,747.84 : x
  2. Step 2: Convert to fraction form
    228,957.12/343,338.48 = 123,747.84/x
  3. Step 3: Cross multiply
    228,957.12x = 343,338.48 × 123,747.84
  4. Step 4: Simplify right side
    228,957.12x = 42,487,395,288.88
  5. Step 5: Solve for x
    x = 42,487,395,288.88/228,957.12
  6. Step 6: Final answer
    x = 185,569.22

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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.