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Finding the Fourth Proportional to 121,032.80, 181,550.50 and 36,806.66

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Solution

The fourth proportional to 121,032.80, 181,550.50 and 36,806.66 is: 55,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,032.80 : 181,550.50 = 36,806.66 : x
  2. Step 2: Convert to fraction form
    121,032.80/181,550.50 = 36,806.66/x
  3. Step 3: Cross multiply
    121,032.80x = 181,550.50 × 36,806.66
  4. Step 4: Simplify right side
    121,032.80x = 6,682,267,526.33
  5. Step 5: Solve for x
    x = 6,682,267,526.33/121,032.80
  6. Step 6: Final answer
    x = 55,210.39

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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.