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Finding the Fourth Proportional to 121,082.01, 167,094 and 67,369.29

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Solution

The fourth proportional to 121,082.01, 167,094 and 67,369.29 is: 92,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,082.01 : 167,094 = 67,369.29 : x
  2. Step 2: Convert to fraction form
    121,082.01/167,094 = 67,369.29/x
  3. Step 3: Cross multiply
    121,082.01x = 167,094 × 67,369.29
  4. Step 4: Simplify right side
    121,082.01x = 11,257,004,143.26
  5. Step 5: Solve for x
    x = 11,257,004,143.26/121,082.01
  6. Step 6: Final answer
    x = 92,970.08

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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.