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Finding the Fourth Proportional to 242,172.45, 363,272.34 and 73,698.27

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Solution

The fourth proportional to 242,172.45, 363,272.34 and 73,698.27 is: 110,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,172.45 : 363,272.34 = 73,698.27 : x
  2. Step 2: Convert to fraction form
    242,172.45/363,272.34 = 73,698.27/x
  3. Step 3: Cross multiply
    242,172.45x = 363,272.34 × 73,698.27
  4. Step 4: Simplify right side
    242,172.45x = 26,772,542,996.85
  5. Step 5: Solve for x
    x = 26,772,542,996.85/242,172.45
  6. Step 6: Final answer
    x = 110,551.56

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1.5x scale

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.