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Finding the Fourth Proportional to 73,707.54, 101,719.14 and 41,881.86

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Solution

The fourth proportional to 73,707.54, 101,719.14 and 41,881.86 is: 57,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,707.54 : 101,719.14 = 41,881.86 : x
  2. Step 2: Convert to fraction form
    73,707.54/101,719.14 = 41,881.86/x
  3. Step 3: Cross multiply
    73,707.54x = 101,719.14 × 41,881.86
  4. Step 4: Simplify right side
    73,707.54x = 4,260,186,780.80
  5. Step 5: Solve for x
    x = 4,260,186,780.80/73,707.54
  6. Step 6: Final answer
    x = 57,798.52

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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.