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Finding the Fourth Proportional to 83,627.25, 115,406.01 and 45,901.50

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Solution

The fourth proportional to 83,627.25, 115,406.01 and 45,901.50 is: 63,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,627.25 : 115,406.01 = 45,901.50 : x
  2. Step 2: Convert to fraction form
    83,627.25/115,406.01 = 45,901.50/x
  3. Step 3: Cross multiply
    83,627.25x = 115,406.01 × 45,901.50
  4. Step 4: Simplify right side
    83,627.25x = 5,297,308,968.02
  5. Step 5: Solve for x
    x = 5,297,308,968.02/83,627.25
  6. Step 6: Final answer
    x = 63,344.29

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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.