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Finding the Fourth Proportional to 248,151.25, 372,263.82 and 115,044.96

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Solution

The fourth proportional to 248,151.25, 372,263.82 and 115,044.96 is: 172,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,151.25 : 372,263.82 = 115,044.96 : x
  2. Step 2: Convert to fraction form
    248,151.25/372,263.82 = 115,044.96/x
  3. Step 3: Cross multiply
    248,151.25x = 372,263.82 × 115,044.96
  4. Step 4: Simplify right side
    248,151.25x = 42,827,076,281.35
  5. Step 5: Solve for x
    x = 42,827,076,281.35/248,151.25
  6. Step 6: Final answer
    x = 172,584.57

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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.