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Finding the Fourth Proportional to 133,924.32, 184,830 and 85,570.32

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Solution

The fourth proportional to 133,924.32, 184,830 and 85,570.32 is: 118,096.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,924.32 : 184,830 = 85,570.32 : x
  2. Step 2: Convert to fraction form
    133,924.32/184,830 = 85,570.32/x
  3. Step 3: Cross multiply
    133,924.32x = 184,830 × 85,570.32
  4. Step 4: Simplify right side
    133,924.32x = 15,815,962,245.60
  5. Step 5: Solve for x
    x = 15,815,962,245.60/133,924.32
  6. Step 6: Final answer
    x = 118,096.27

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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.