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Finding the Fourth Proportional to 89,167.68, 133,750.08 and 21,700.44

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Solution

The fourth proportional to 89,167.68, 133,750.08 and 21,700.44 is: 32,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,167.68 : 133,750.08 = 21,700.44 : x
  2. Step 2: Convert to fraction form
    89,167.68/133,750.08 = 21,700.44/x
  3. Step 3: Cross multiply
    89,167.68x = 133,750.08 × 21,700.44
  4. Step 4: Simplify right side
    89,167.68x = 2,902,435,586.04
  5. Step 5: Solve for x
    x = 2,902,435,586.04/89,167.68
  6. Step 6: Final answer
    x = 32,550.31

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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.