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Finding the Fourth Proportional to 134,768.36, 202,152.54 and 75,645.56

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Solution

The fourth proportional to 134,768.36, 202,152.54 and 75,645.56 is: 113,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,768.36 : 202,152.54 = 75,645.56 : x
  2. Step 2: Convert to fraction form
    134,768.36/202,152.54 = 75,645.56/x
  3. Step 3: Cross multiply
    134,768.36x = 202,152.54 × 75,645.56
  4. Step 4: Simplify right side
    134,768.36x = 15,291,942,093.72
  5. Step 5: Solve for x
    x = 15,291,942,093.72/134,768.36
  6. Step 6: Final answer
    x = 113,468.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.