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Finding the Fourth Proportional to 121,045.86, 167,024.03 and 67,330.71

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Solution

The fourth proportional to 121,045.86, 167,024.03 and 67,330.71 is: 92,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,045.86 : 167,024.03 = 67,330.71 : x
  2. Step 2: Convert to fraction form
    121,045.86/167,024.03 = 67,330.71/x
  3. Step 3: Cross multiply
    121,045.86x = 167,024.03 × 67,330.71
  4. Step 4: Simplify right side
    121,045.86x = 11,245,846,190.31
  5. Step 5: Solve for x
    x = 11,245,846,190.31/121,045.86
  6. Step 6: Final answer
    x = 92,905.67

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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.