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Finding the Fourth Proportional to 89,166.30, 133,555.05 and 73,614.30

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Solution

The fourth proportional to 89,166.30, 133,555.05 and 73,614.30 is: 110,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,166.30 : 133,555.05 = 73,614.30 : x
  2. Step 2: Convert to fraction form
    89,166.30/133,555.05 = 73,614.30/x
  3. Step 3: Cross multiply
    89,166.30x = 133,555.05 × 73,614.30
  4. Step 4: Simplify right side
    89,166.30x = 9,831,561,517.22
  5. Step 5: Solve for x
    x = 9,831,561,517.22/89,166.30
  6. Step 6: Final answer
    x = 110,260.96

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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.