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Finding the Fourth Proportional to 164,466.60, 246,529.80 and 89,428.20

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Solution

The fourth proportional to 164,466.60, 246,529.80 and 89,428.20 is: 134,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,466.60 : 246,529.80 = 89,428.20 : x
  2. Step 2: Convert to fraction form
    164,466.60/246,529.80 = 89,428.20/x
  3. Step 3: Cross multiply
    164,466.60x = 246,529.80 × 89,428.20
  4. Step 4: Simplify right side
    164,466.60x = 22,046,716,260.36
  5. Step 5: Solve for x
    x = 22,046,716,260.36/164,466.60
  6. Step 6: Final answer
    x = 134,049.81

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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.