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Finding the Fourth Proportional to 109,463.54, 151,059.94 and 59,162.54

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Solution

The fourth proportional to 109,463.54, 151,059.94 and 59,162.54 is: 81,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,463.54 : 151,059.94 = 59,162.54 : x
  2. Step 2: Convert to fraction form
    109,463.54/151,059.94 = 59,162.54/x
  3. Step 3: Cross multiply
    109,463.54x = 151,059.94 × 59,162.54
  4. Step 4: Simplify right side
    109,463.54x = 8,937,088,839.44
  5. Step 5: Solve for x
    x = 8,937,088,839.44/109,463.54
  6. Step 6: Final answer
    x = 81,644.44

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Why These Related Problems?

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