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Finding the Fourth Proportional to 121,024.85, 167,020.20 and 67,308.71

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Solution

The fourth proportional to 121,024.85, 167,020.20 and 67,308.71 is: 92,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,024.85 : 167,020.20 = 67,308.71 : x
  2. Step 2: Convert to fraction form
    121,024.85/167,020.20 = 67,308.71/x
  3. Step 3: Cross multiply
    121,024.85x = 167,020.20 × 67,308.71
  4. Step 4: Simplify right side
    121,024.85x = 11,241,914,264.76
  5. Step 5: Solve for x
    x = 11,241,914,264.76/121,024.85
  6. Step 6: Final answer
    x = 92,889.31

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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.