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Finding the Fourth Proportional to 89,167.82, 133,750.40 and 21,700.49

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Solution

The fourth proportional to 89,167.82, 133,750.40 and 21,700.49 is: 32,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,167.82 : 133,750.40 = 21,700.49 : x
  2. Step 2: Convert to fraction form
    89,167.82/133,750.40 = 21,700.49/x
  3. Step 3: Cross multiply
    89,167.82x = 133,750.40 × 21,700.49
  4. Step 4: Simplify right side
    89,167.82x = 2,902,448,440.44
  5. Step 5: Solve for x
    x = 2,902,448,440.44/89,167.82
  6. Step 6: Final answer
    x = 32,550.40

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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.