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Finding the Fourth Proportional to 248,932.80, 372,953.70 and 151,381.80

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Solution

The fourth proportional to 248,932.80, 372,953.70 and 151,381.80 is: 226,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,932.80 : 372,953.70 = 151,381.80 : x
  2. Step 2: Convert to fraction form
    248,932.80/372,953.70 = 151,381.80/x
  3. Step 3: Cross multiply
    248,932.80x = 372,953.70 × 151,381.80
  4. Step 4: Simplify right side
    248,932.80x = 56,458,402,422.66
  5. Step 5: Solve for x
    x = 56,458,402,422.66/248,932.80
  6. Step 6: Final answer
    x = 226,801.78

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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.