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Finding the Fourth Proportional to 167,366.55, 230,965.08 and 90,885.03

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Solution

The fourth proportional to 167,366.55, 230,965.08 and 90,885.03 is: 125,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,366.55 : 230,965.08 = 90,885.03 : x
  2. Step 2: Convert to fraction form
    167,366.55/230,965.08 = 90,885.03/x
  3. Step 3: Cross multiply
    167,366.55x = 230,965.08 × 90,885.03
  4. Step 4: Simplify right side
    167,366.55x = 20,991,268,224.75
  5. Step 5: Solve for x
    x = 20,991,268,224.75/167,366.55
  6. Step 6: Final answer
    x = 125,420.93

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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.