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Finding the Fourth Proportional to 89,842.77, 134,583.73 and 44,728.20

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Solution

The fourth proportional to 89,842.77, 134,583.73 and 44,728.20 is: 67,002.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,842.77 : 134,583.73 = 44,728.20 : x
  2. Step 2: Convert to fraction form
    89,842.77/134,583.73 = 44,728.20/x
  3. Step 3: Cross multiply
    89,842.77x = 134,583.73 × 44,728.20
  4. Step 4: Simplify right side
    89,842.77x = 6,019,687,880.37
  5. Step 5: Solve for x
    x = 6,019,687,880.37/89,842.77
  6. Step 6: Final answer
    x = 67,002.47

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1.5x scale

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.