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Finding the Fourth Proportional to 73,998.51, 110,985.39 and 26,603.94

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Solution

The fourth proportional to 73,998.51, 110,985.39 and 26,603.94 is: 39,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,998.51 : 110,985.39 = 26,603.94 : x
  2. Step 2: Convert to fraction form
    73,998.51/110,985.39 = 26,603.94/x
  3. Step 3: Cross multiply
    73,998.51x = 110,985.39 × 26,603.94
  4. Step 4: Simplify right side
    73,998.51x = 2,952,648,656.44
  5. Step 5: Solve for x
    x = 2,952,648,656.44/73,998.51
  6. Step 6: Final answer
    x = 39,901.46

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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.