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Finding the Fourth Proportional to 72,540.56, 108,810.56 and 22,623.50

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Solution

The fourth proportional to 72,540.56, 108,810.56 and 22,623.50 is: 33,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,540.56 : 108,810.56 = 22,623.50 : x
  2. Step 2: Convert to fraction form
    72,540.56/108,810.56 = 22,623.50/x
  3. Step 3: Cross multiply
    72,540.56x = 108,810.56 × 22,623.50
  4. Step 4: Simplify right side
    72,540.56x = 2,461,675,704.16
  5. Step 5: Solve for x
    x = 2,461,675,704.16/72,540.56
  6. Step 6: Final answer
    x = 33,935.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.