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Finding the Fourth Proportional to 248,936.80, 372,959.70 and 151,385.80

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Solution

The fourth proportional to 248,936.80, 372,959.70 and 151,385.80 is: 226,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,936.80 : 372,959.70 = 151,385.80 : x
  2. Step 2: Convert to fraction form
    248,936.80/372,959.70 = 151,385.80/x
  3. Step 3: Cross multiply
    248,936.80x = 372,959.70 × 151,385.80
  4. Step 4: Simplify right side
    248,936.80x = 56,460,802,552.26
  5. Step 5: Solve for x
    x = 56,460,802,552.26/248,936.80
  6. Step 6: Final answer
    x = 226,807.78

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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.