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Finding the Fourth Proportional to 72,275.22, 99,741.24 and 43,594.74

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Solution

The fourth proportional to 72,275.22, 99,741.24 and 43,594.74 is: 60,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,275.22 : 99,741.24 = 43,594.74 : x
  2. Step 2: Convert to fraction form
    72,275.22/99,741.24 = 43,594.74/x
  3. Step 3: Cross multiply
    72,275.22x = 99,741.24 × 43,594.74
  4. Step 4: Simplify right side
    72,275.22x = 4,348,193,425.08
  5. Step 5: Solve for x
    x = 4,348,193,425.08/72,275.22
  6. Step 6: Final answer
    x = 60,161.61

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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.