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Finding the Fourth Proportional to 89,122.80, 133,679.32 and 29,952.32

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Solution

The fourth proportional to 89,122.80, 133,679.32 and 29,952.32 is: 44,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,122.80 : 133,679.32 = 29,952.32 : x
  2. Step 2: Convert to fraction form
    89,122.80/133,679.32 = 29,952.32/x
  3. Step 3: Cross multiply
    89,122.80x = 133,679.32 × 29,952.32
  4. Step 4: Simplify right side
    89,122.80x = 4,004,005,770.02
  5. Step 5: Solve for x
    x = 4,004,005,770.02/89,122.80
  6. Step 6: Final answer
    x = 44,926.84

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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.