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Finding the Fourth Proportional to 61,230.78, 84,498.44 and 34,373.34

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Solution

The fourth proportional to 61,230.78, 84,498.44 and 34,373.34 is: 47,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,230.78 : 84,498.44 = 34,373.34 : x
  2. Step 2: Convert to fraction form
    61,230.78/84,498.44 = 34,373.34/x
  3. Step 3: Cross multiply
    61,230.78x = 84,498.44 × 34,373.34
  4. Step 4: Simplify right side
    61,230.78x = 2,904,493,607.59
  5. Step 5: Solve for x
    x = 2,904,493,607.59/61,230.78
  6. Step 6: Final answer
    x = 47,435.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.