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Finding the Fourth Proportional to 121,086.99, 181,609.02 and 36,826.74

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Solution

The fourth proportional to 121,086.99, 181,609.02 and 36,826.74 is: 55,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,086.99 : 181,609.02 = 36,826.74 : x
  2. Step 2: Convert to fraction form
    121,086.99/181,609.02 = 36,826.74/x
  3. Step 3: Cross multiply
    121,086.99x = 181,609.02 × 36,826.74
  4. Step 4: Simplify right side
    121,086.99x = 6,688,068,161.19
  5. Step 5: Solve for x
    x = 6,688,068,161.19/121,086.99
  6. Step 6: Final answer
    x = 55,233.58

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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.