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Finding the Fourth Proportional to 121,166.49, 167,225.46 and 69,503.73

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Solution

The fourth proportional to 121,166.49, 167,225.46 and 69,503.73 is: 95,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,166.49 : 167,225.46 = 69,503.73 : x
  2. Step 2: Convert to fraction form
    121,166.49/167,225.46 = 69,503.73/x
  3. Step 3: Cross multiply
    121,166.49x = 167,225.46 × 69,503.73
  4. Step 4: Simplify right side
    121,166.49x = 11,622,793,220.97
  5. Step 5: Solve for x
    x = 11,622,793,220.97/121,166.49
  6. Step 6: Final answer
    x = 95,924.16

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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.