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Finding the Fourth Proportional to 122,984.20, 184,476.30 and 101,114.20

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Solution

The fourth proportional to 122,984.20, 184,476.30 and 101,114.20 is: 151,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,984.20 : 184,476.30 = 101,114.20 : x
  2. Step 2: Convert to fraction form
    122,984.20/184,476.30 = 101,114.20/x
  3. Step 3: Cross multiply
    122,984.20x = 184,476.30 × 101,114.20
  4. Step 4: Simplify right side
    122,984.20x = 18,653,173,493.46
  5. Step 5: Solve for x
    x = 18,653,173,493.46/122,984.20
  6. Step 6: Final answer
    x = 151,671.30

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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.