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Finding the Fourth Proportional to 293,707.47, 440,561.63 and 72,091.47

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Solution

The fourth proportional to 293,707.47, 440,561.63 and 72,091.47 is: 108,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,707.47 : 440,561.63 = 72,091.47 : x
  2. Step 2: Convert to fraction form
    293,707.47/440,561.63 = 72,091.47/x
  3. Step 3: Cross multiply
    293,707.47x = 440,561.63 × 72,091.47
  4. Step 4: Simplify right side
    293,707.47x = 31,760,735,171.84
  5. Step 5: Solve for x
    x = 31,760,735,171.84/293,707.47
  6. Step 6: Final answer
    x = 108,137.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.