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Finding the Fourth Proportional to 73,700.74, 101,707.36 and 41,871.38

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Solution

The fourth proportional to 73,700.74, 101,707.36 and 41,871.38 is: 57,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,700.74 : 101,707.36 = 41,871.38 : x
  2. Step 2: Convert to fraction form
    73,700.74/101,707.36 = 41,871.38/x
  3. Step 3: Cross multiply
    73,700.74x = 101,707.36 × 41,871.38
  4. Step 4: Simplify right side
    73,700.74x = 4,258,627,564.27
  5. Step 5: Solve for x
    x = 4,258,627,564.27/73,700.74
  6. Step 6: Final answer
    x = 57,782.70

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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.