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Finding the Fourth Proportional to 121,473.63, 167,632.49 and 67,026.30

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Solution

The fourth proportional to 121,473.63, 167,632.49 and 67,026.30 is: 92,495.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,473.63 : 167,632.49 = 67,026.30 : x
  2. Step 2: Convert to fraction form
    121,473.63/167,632.49 = 67,026.30/x
  3. Step 3: Cross multiply
    121,473.63x = 167,632.49 × 67,026.30
  4. Step 4: Simplify right side
    121,473.63x = 11,235,785,229.36
  5. Step 5: Solve for x
    x = 11,235,785,229.36/121,473.63
  6. Step 6: Final answer
    x = 92,495.67

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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.