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Finding the Fourth Proportional to 133,658.94, 184,028.55 and 113,475.90

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Solution

The fourth proportional to 133,658.94, 184,028.55 and 113,475.90 is: 156,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,658.94 : 184,028.55 = 113,475.90 : x
  2. Step 2: Convert to fraction form
    133,658.94/184,028.55 = 113,475.90/x
  3. Step 3: Cross multiply
    133,658.94x = 184,028.55 × 113,475.90
  4. Step 4: Simplify right side
    133,658.94x = 20,882,805,336.95
  5. Step 5: Solve for x
    x = 20,882,805,336.95/133,658.94
  6. Step 6: Final answer
    x = 156,239.50

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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.