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Finding the Fourth Proportional to 97,767.99, 134,850.13 and 89,727.56

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Solution

The fourth proportional to 97,767.99, 134,850.13 and 89,727.56 is: 123,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,767.99 : 134,850.13 = 89,727.56 : x
  2. Step 2: Convert to fraction form
    97,767.99/134,850.13 = 89,727.56/x
  3. Step 3: Cross multiply
    97,767.99x = 134,850.13 × 89,727.56
  4. Step 4: Simplify right side
    97,767.99x = 12,099,773,130.58
  5. Step 5: Solve for x
    x = 12,099,773,130.58/97,767.99
  6. Step 6: Final answer
    x = 123,760.07

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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.