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Finding the Fourth Proportional to 123,002.70, 184,504.05 and 101,132.70

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Solution

The fourth proportional to 123,002.70, 184,504.05 and 101,132.70 is: 151,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,002.70 : 184,504.05 = 101,132.70 : x
  2. Step 2: Convert to fraction form
    123,002.70/184,504.05 = 101,132.70/x
  3. Step 3: Cross multiply
    123,002.70x = 184,504.05 × 101,132.70
  4. Step 4: Simplify right side
    123,002.70x = 18,659,392,737.44
  5. Step 5: Solve for x
    x = 18,659,392,737.44/123,002.70
  6. Step 6: Final answer
    x = 151,699.05

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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.