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Finding the Fourth Proportional to 89,224.45, 123,140.02 and 53,414.45

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Solution

The fourth proportional to 89,224.45, 123,140.02 and 53,414.45 is: 73,718.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,224.45 : 123,140.02 = 53,414.45 : x
  2. Step 2: Convert to fraction form
    89,224.45/123,140.02 = 53,414.45/x
  3. Step 3: Cross multiply
    89,224.45x = 123,140.02 × 53,414.45
  4. Step 4: Simplify right side
    89,224.45x = 6,577,456,441.29
  5. Step 5: Solve for x
    x = 6,577,456,441.29/89,224.45
  6. Step 6: Final answer
    x = 73,718.09

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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.