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Finding the Fourth Proportional to 72,526.20, 100,062.12 and 43,854.63

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Solution

The fourth proportional to 72,526.20, 100,062.12 and 43,854.63 is: 60,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,526.20 : 100,062.12 = 43,854.63 : x
  2. Step 2: Convert to fraction form
    72,526.20/100,062.12 = 43,854.63/x
  3. Step 3: Cross multiply
    72,526.20x = 100,062.12 × 43,854.63
  4. Step 4: Simplify right side
    72,526.20x = 4,388,187,249.62
  5. Step 5: Solve for x
    x = 4,388,187,249.62/72,526.20
  6. Step 6: Final answer
    x = 60,504.86

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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.