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Finding the Fourth Proportional to 89,807.77, 123,932.33 and 49,520.84

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Solution

The fourth proportional to 89,807.77, 123,932.33 and 49,520.84 is: 68,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,807.77 : 123,932.33 = 49,520.84 : x
  2. Step 2: Convert to fraction form
    89,807.77/123,932.33 = 49,520.84/x
  3. Step 3: Cross multiply
    89,807.77x = 123,932.33 × 49,520.84
  4. Step 4: Simplify right side
    89,807.77x = 6,137,232,403.19
  5. Step 5: Solve for x
    x = 6,137,232,403.19/89,807.77
  6. Step 6: Final answer
    x = 68,337.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.