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Finding the Fourth Proportional to 122,954.80, 184,432.20 and 60,617.20

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Solution

The fourth proportional to 122,954.80, 184,432.20 and 60,617.20 is: 90,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,954.80 : 184,432.20 = 60,617.20 : x
  2. Step 2: Convert to fraction form
    122,954.80/184,432.20 = 60,617.20/x
  3. Step 3: Cross multiply
    122,954.80x = 184,432.20 × 60,617.20
  4. Step 4: Simplify right side
    122,954.80x = 11,179,763,553.84
  5. Step 5: Solve for x
    x = 11,179,763,553.84/122,954.80
  6. Step 6: Final answer
    x = 90,925.80

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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.