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Finding the Fourth Proportional to 242,393.31, 363,603.94 and 73,919.39

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Solution

The fourth proportional to 242,393.31, 363,603.94 and 73,919.39 is: 110,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,393.31 : 363,603.94 = 73,919.39 : x
  2. Step 2: Convert to fraction form
    242,393.31/363,603.94 = 73,919.39/x
  3. Step 3: Cross multiply
    242,393.31x = 363,603.94 × 73,919.39
  4. Step 4: Simplify right side
    242,393.31x = 26,877,379,443.58
  5. Step 5: Solve for x
    x = 26,877,379,443.58/242,393.31
  6. Step 6: Final answer
    x = 110,883.34

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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.