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Finding the Fourth Proportional to 73,700.82, 101,707.23 and 40,166.82

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Solution

The fourth proportional to 73,700.82, 101,707.23 and 40,166.82 is: 55,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,700.82 : 101,707.23 = 40,166.82 : x
  2. Step 2: Convert to fraction form
    73,700.82/101,707.23 = 40,166.82/x
  3. Step 3: Cross multiply
    73,700.82x = 101,707.23 × 40,166.82
  4. Step 4: Simplify right side
    73,700.82x = 4,085,256,000.11
  5. Step 5: Solve for x
    x = 4,085,256,000.11/73,700.82
  6. Step 6: Final answer
    x = 55,430.27

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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.