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Finding the Fourth Proportional to 167,255.64, 230,808.93 and 90,774.87

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Solution

The fourth proportional to 167,255.64, 230,808.93 and 90,774.87 is: 125,267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,255.64 : 230,808.93 = 90,774.87 : x
  2. Step 2: Convert to fraction form
    167,255.64/230,808.93 = 90,774.87/x
  3. Step 3: Cross multiply
    167,255.64x = 230,808.93 × 90,774.87
  4. Step 4: Simplify right side
    167,255.64x = 20,951,650,615.59
  5. Step 5: Solve for x
    x = 20,951,650,615.59/167,255.64
  6. Step 6: Final answer
    x = 125,267.23

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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.