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Finding the Fourth Proportional to 242,266.52, 363,400.32 and 73,787.60

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Solution

The fourth proportional to 242,266.52, 363,400.32 and 73,787.60 is: 110,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,266.52 : 363,400.32 = 73,787.60 : x
  2. Step 2: Convert to fraction form
    242,266.52/363,400.32 = 73,787.60/x
  3. Step 3: Cross multiply
    242,266.52x = 363,400.32 × 73,787.60
  4. Step 4: Simplify right side
    242,266.52x = 26,814,437,452.03
  5. Step 5: Solve for x
    x = 26,814,437,452.03/242,266.52
  6. Step 6: Final answer
    x = 110,681.56

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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.