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Finding the Fourth Proportional to 248,200.59, 372,337.79 and 115,094.30

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Solution

The fourth proportional to 248,200.59, 372,337.79 and 115,094.30 is: 172,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,200.59 : 372,337.79 = 115,094.30 : x
  2. Step 2: Convert to fraction form
    248,200.59/372,337.79 = 115,094.30/x
  3. Step 3: Cross multiply
    248,200.59x = 372,337.79 × 115,094.30
  4. Step 4: Simplify right side
    248,200.59x = 42,853,954,866.44
  5. Step 5: Solve for x
    x = 42,853,954,866.44/248,200.59
  6. Step 6: Final answer
    x = 172,658.55

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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.