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Finding the Fourth Proportional to 162,799.80, 244,272.60 and 74,007.60

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Solution

The fourth proportional to 162,799.80, 244,272.60 and 74,007.60 is: 111,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,799.80 : 244,272.60 = 74,007.60 : x
  2. Step 2: Convert to fraction form
    162,799.80/244,272.60 = 74,007.60/x
  3. Step 3: Cross multiply
    162,799.80x = 244,272.60 × 74,007.60
  4. Step 4: Simplify right side
    162,799.80x = 18,078,028,871.76
  5. Step 5: Solve for x
    x = 18,078,028,871.76/162,799.80
  6. Step 6: Final answer
    x = 111,044.54

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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.