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Finding the Fourth Proportional to 97,410.99, 134,425.85 and 54,391.15

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Solution

The fourth proportional to 97,410.99, 134,425.85 and 54,391.15 is: 75,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,410.99 : 134,425.85 = 54,391.15 : x
  2. Step 2: Convert to fraction form
    97,410.99/134,425.85 = 54,391.15/x
  3. Step 3: Cross multiply
    97,410.99x = 134,425.85 × 54,391.15
  4. Step 4: Simplify right side
    97,410.99x = 7,311,576,571.23
  5. Step 5: Solve for x
    x = 7,311,576,571.23/97,410.99
  6. Step 6: Final answer
    x = 75,059.05

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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.