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Finding the Fourth Proportional to 92,589.76, 138,821.46 and 44,533.00

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Solution

The fourth proportional to 92,589.76, 138,821.46 and 44,533.00 is: 66,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,589.76 : 138,821.46 = 44,533.00 : x
  2. Step 2: Convert to fraction form
    92,589.76/138,821.46 = 44,533.00/x
  3. Step 3: Cross multiply
    92,589.76x = 138,821.46 × 44,533.00
  4. Step 4: Simplify right side
    92,589.76x = 6,182,135,384.07
  5. Step 5: Solve for x
    x = 6,182,135,384.07/92,589.76
  6. Step 6: Final answer
    x = 66,769.11

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Why These Related Problems?

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