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Finding the Fourth Proportional to 109,554.57, 151,185.32 and 59,253.57

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Solution

The fourth proportional to 109,554.57, 151,185.32 and 59,253.57 is: 81,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,554.57 : 151,185.32 = 59,253.57 : x
  2. Step 2: Convert to fraction form
    109,554.57/151,185.32 = 59,253.57/x
  3. Step 3: Cross multiply
    109,554.57x = 151,185.32 × 59,253.57
  4. Step 4: Simplify right side
    109,554.57x = 8,958,269,645.32
  5. Step 5: Solve for x
    x = 8,958,269,645.32/109,554.57
  6. Step 6: Final answer
    x = 81,769.93

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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.