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Finding the Fourth Proportional to 73,967.88, 101,860.66 and 64,273.26

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Solution

The fourth proportional to 73,967.88, 101,860.66 and 64,273.26 is: 88,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,967.88 : 101,860.66 = 64,273.26 : x
  2. Step 2: Convert to fraction form
    73,967.88/101,860.66 = 64,273.26/x
  3. Step 3: Cross multiply
    73,967.88x = 101,860.66 × 64,273.26
  4. Step 4: Simplify right side
    73,967.88x = 6,546,916,683.95
  5. Step 5: Solve for x
    x = 6,546,916,683.95/73,967.88
  6. Step 6: Final answer
    x = 88,510.27

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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.