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Finding the Fourth Proportional to 248,230.08, 372,349.17 and 120,071.88

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Solution

The fourth proportional to 248,230.08, 372,349.17 and 120,071.88 is: 180,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,230.08 : 372,349.17 = 120,071.88 : x
  2. Step 2: Convert to fraction form
    248,230.08/372,349.17 = 120,071.88/x
  3. Step 3: Cross multiply
    248,230.08x = 372,349.17 × 120,071.88
  4. Step 4: Simplify right side
    248,230.08x = 44,708,664,858.34
  5. Step 5: Solve for x
    x = 44,708,664,858.34/248,230.08
  6. Step 6: Final answer
    x = 180,109.78

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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.