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Finding the Fourth Proportional to 89,482.05, 123,484.11 and 49,195.46

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Solution

The fourth proportional to 89,482.05, 123,484.11 and 49,195.46 is: 67,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,482.05 : 123,484.11 = 49,195.46 : x
  2. Step 2: Convert to fraction form
    89,482.05/123,484.11 = 49,195.46/x
  3. Step 3: Cross multiply
    89,482.05x = 123,484.11 × 49,195.46
  4. Step 4: Simplify right side
    89,482.05x = 6,074,856,976.72
  5. Step 5: Solve for x
    x = 6,074,856,976.72/89,482.05
  6. Step 6: Final answer
    x = 67,889.11

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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.