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Finding the Fourth Proportional to 121,059.60, 181,589.42 and 32,313.44

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Solution

The fourth proportional to 121,059.60, 181,589.42 and 32,313.44 is: 48,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,059.60 : 181,589.42 = 32,313.44 : x
  2. Step 2: Convert to fraction form
    121,059.60/181,589.42 = 32,313.44/x
  3. Step 3: Cross multiply
    121,059.60x = 181,589.42 × 32,313.44
  4. Step 4: Simplify right side
    121,059.60x = 5,867,778,827.80
  5. Step 5: Solve for x
    x = 5,867,778,827.80/121,059.60
  6. Step 6: Final answer
    x = 48,470.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.