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Finding the Fourth Proportional to 121,494.76, 167,572.22 and 89,219.20

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Solution

The fourth proportional to 121,494.76, 167,572.22 and 89,219.20 is: 123,056.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,494.76 : 167,572.22 = 89,219.20 : x
  2. Step 2: Convert to fraction form
    121,494.76/167,572.22 = 89,219.20/x
  3. Step 3: Cross multiply
    121,494.76x = 167,572.22 × 89,219.20
  4. Step 4: Simplify right side
    121,494.76x = 14,950,659,410.62
  5. Step 5: Solve for x
    x = 14,950,659,410.62/121,494.76
  6. Step 6: Final answer
    x = 123,056.00

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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.