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Finding the Fourth Proportional to 72,077.54, 108,083.37 and 22,140.23

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Solution

The fourth proportional to 72,077.54, 108,083.37 and 22,140.23 is: 33,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,077.54 : 108,083.37 = 22,140.23 : x
  2. Step 2: Convert to fraction form
    72,077.54/108,083.37 = 22,140.23/x
  3. Step 3: Cross multiply
    72,077.54x = 108,083.37 × 22,140.23
  4. Step 4: Simplify right side
    72,077.54x = 2,392,990,670.98
  5. Step 5: Solve for x
    x = 2,392,990,670.98/72,077.54
  6. Step 6: Final answer
    x = 33,200.23

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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.