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Finding the Fourth Proportional to 133,125.40, 199,469.40 and 113,442.40

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Solution

The fourth proportional to 133,125.40, 199,469.40 and 113,442.40 is: 169,977.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,125.40 : 199,469.40 = 113,442.40 : x
  2. Step 2: Convert to fraction form
    133,125.40/199,469.40 = 113,442.40/x
  3. Step 3: Cross multiply
    133,125.40x = 199,469.40 × 113,442.40
  4. Step 4: Simplify right side
    133,125.40x = 22,628,287,462.56
  5. Step 5: Solve for x
    x = 22,628,287,462.56/133,125.40
  6. Step 6: Final answer
    x = 169,977.24

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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.