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Finding the Fourth Proportional to 83,669.76, 115,466.31 and 45,944.01

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Solution

The fourth proportional to 83,669.76, 115,466.31 and 45,944.01 is: 63,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669.76 : 115,466.31 = 45,944.01 : x
  2. Step 2: Convert to fraction form
    83,669.76/115,466.31 = 45,944.01/x
  3. Step 3: Cross multiply
    83,669.76x = 115,466.31 × 45,944.01
  4. Step 4: Simplify right side
    83,669.76x = 5,304,985,301.30
  5. Step 5: Solve for x
    x = 5,304,985,301.30/83,669.76
  6. Step 6: Final answer
    x = 63,403.85

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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.