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Finding the Fourth Proportional to 121,234.46, 167,288.84 and 69,548.88

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Solution

The fourth proportional to 121,234.46, 167,288.84 and 69,548.88 is: 95,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,234.46 : 167,288.84 = 69,548.88 : x
  2. Step 2: Convert to fraction form
    121,234.46/167,288.84 = 69,548.88/x
  3. Step 3: Cross multiply
    121,234.46x = 167,288.84 × 69,548.88
  4. Step 4: Simplify right side
    121,234.46x = 11,634,751,458.50
  5. Step 5: Solve for x
    x = 11,634,751,458.50/121,234.46
  6. Step 6: Final answer
    x = 95,969.01

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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.