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Finding the Fourth Proportional to 61,101.98, 84,323.60 and 38,145.41

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Solution

The fourth proportional to 61,101.98, 84,323.60 and 38,145.41 is: 52,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,101.98 : 84,323.60 = 38,145.41 : x
  2. Step 2: Convert to fraction form
    61,101.98/84,323.60 = 38,145.41/x
  3. Step 3: Cross multiply
    61,101.98x = 84,323.60 × 38,145.41
  4. Step 4: Simplify right side
    61,101.98x = 3,216,557,682.33
  5. Step 5: Solve for x
    x = 3,216,557,682.33/61,101.98
  6. Step 6: Final answer
    x = 52,642.45

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