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Finding the Fourth Proportional to 97,758.95, 134,906.31 and 54,738.84

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Solution

The fourth proportional to 97,758.95, 134,906.31 and 54,738.84 is: 75,539.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,758.95 : 134,906.31 = 54,738.84 : x
  2. Step 2: Convert to fraction form
    97,758.95/134,906.31 = 54,738.84/x
  3. Step 3: Cross multiply
    97,758.95x = 134,906.31 × 54,738.84
  4. Step 4: Simplify right side
    97,758.95x = 7,384,614,665.13
  5. Step 5: Solve for x
    x = 7,384,614,665.13/97,758.95
  6. Step 6: Final answer
    x = 75,539.01

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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.