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Finding the Fourth Proportional to 98,504.52, 135,937.89 and 56,067

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Solution

The fourth proportional to 98,504.52, 135,937.89 and 56,067 is: 77,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,504.52 : 135,937.89 = 56,067 : x
  2. Step 2: Convert to fraction form
    98,504.52/135,937.89 = 56,067/x
  3. Step 3: Cross multiply
    98,504.52x = 135,937.89 × 56,067
  4. Step 4: Simplify right side
    98,504.52x = 7,621,629,678.63
  5. Step 5: Solve for x
    x = 7,621,629,678.63/98,504.52
  6. Step 6: Final answer
    x = 77,373.40

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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.