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Finding the Fourth Proportional to 121,500.97, 167,663.49 and 67,053.62

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Solution

The fourth proportional to 121,500.97, 167,663.49 and 67,053.62 is: 92,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,500.97 : 167,663.49 = 67,053.62 : x
  2. Step 2: Convert to fraction form
    121,500.97/167,663.49 = 67,053.62/x
  3. Step 3: Cross multiply
    121,500.97x = 167,663.49 × 67,053.62
  4. Step 4: Simplify right side
    121,500.97x = 11,242,443,946.33
  5. Step 5: Solve for x
    x = 11,242,443,946.33/121,500.97
  6. Step 6: Final answer
    x = 92,529.67

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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.