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Finding the Fourth Proportional to 133,675, 184,471.50 and 79,962.28

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Solution

The fourth proportional to 133,675, 184,471.50 and 79,962.28 is: 110,347.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,675 : 184,471.50 = 79,962.28 : x
  2. Step 2: Convert to fraction form
    133,675/184,471.50 = 79,962.28/x
  3. Step 3: Cross multiply
    133,675x = 184,471.50 × 79,962.28
  4. Step 4: Simplify right side
    133,675x = 14,750,761,735.02
  5. Step 5: Solve for x
    x = 14,750,761,735.02/133,675
  6. Step 6: Final answer
    x = 110,347.95

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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.