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Finding the Fourth Proportional to 121,047.01, 167,042.41 and 67,330.87

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Solution

The fourth proportional to 121,047.01, 167,042.41 and 67,330.87 is: 92,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,047.01 : 167,042.41 = 67,330.87 : x
  2. Step 2: Convert to fraction form
    121,047.01/167,042.41 = 67,330.87/x
  3. Step 3: Cross multiply
    121,047.01x = 167,042.41 × 67,330.87
  4. Step 4: Simplify right side
    121,047.01x = 11,247,110,792.20
  5. Step 5: Solve for x
    x = 11,247,110,792.20/121,047.01
  6. Step 6: Final answer
    x = 92,915.23

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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.