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Finding the Fourth Proportional to 89,165.30, 133,553.55 and 73,613.30

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Solution

The fourth proportional to 89,165.30, 133,553.55 and 73,613.30 is: 110,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,165.30 : 133,553.55 = 73,613.30 : x
  2. Step 2: Convert to fraction form
    89,165.30/133,553.55 = 73,613.30/x
  3. Step 3: Cross multiply
    89,165.30x = 133,553.55 × 73,613.30
  4. Step 4: Simplify right side
    89,165.30x = 9,831,317,542.22
  5. Step 5: Solve for x
    x = 9,831,317,542.22/89,165.30
  6. Step 6: Final answer
    x = 110,259.46

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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.