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Finding the Fourth Proportional to 73,287.46, 101,128.19 and 41,023.89

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Solution

The fourth proportional to 73,287.46, 101,128.19 and 41,023.89 is: 56,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,287.46 : 101,128.19 = 41,023.89 : x
  2. Step 2: Convert to fraction form
    73,287.46/101,128.19 = 41,023.89/x
  3. Step 3: Cross multiply
    73,287.46x = 101,128.19 × 41,023.89
  4. Step 4: Simplify right side
    73,287.46x = 4,148,671,742.46
  5. Step 5: Solve for x
    x = 4,148,671,742.46/73,287.46
  6. Step 6: Final answer
    x = 56,608.21

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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.