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Finding the Fourth Proportional to 242,272.56, 363,409.36 and 73,793.60

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Solution

The fourth proportional to 242,272.56, 363,409.36 and 73,793.60 is: 110,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,272.56 : 363,409.36 = 73,793.60 : x
  2. Step 2: Convert to fraction form
    242,272.56/363,409.36 = 73,793.60/x
  3. Step 3: Cross multiply
    242,272.56x = 363,409.36 × 73,793.60
  4. Step 4: Simplify right side
    242,272.56x = 26,817,284,948.10
  5. Step 5: Solve for x
    x = 26,817,284,948.10/242,272.56
  6. Step 6: Final answer
    x = 110,690.56

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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.