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Finding the Fourth Proportional to 89,494.98, 123,502.07 and 66,627.05

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Solution

The fourth proportional to 89,494.98, 123,502.07 and 66,627.05 is: 91,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,494.98 : 123,502.07 = 66,627.05 : x
  2. Step 2: Convert to fraction form
    89,494.98/123,502.07 = 66,627.05/x
  3. Step 3: Cross multiply
    89,494.98x = 123,502.07 × 66,627.05
  4. Step 4: Simplify right side
    89,494.98x = 8,228,578,796.76
  5. Step 5: Solve for x
    x = 8,228,578,796.76/89,494.98
  6. Step 6: Final answer
    x = 91,944.58

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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.