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Finding the Fourth Proportional to 72,014.63, 107,987.42 and 34,032.29

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Solution

The fourth proportional to 72,014.63, 107,987.42 and 34,032.29 is: 51,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,014.63 : 107,987.42 = 34,032.29 : x
  2. Step 2: Convert to fraction form
    72,014.63/107,987.42 = 34,032.29/x
  3. Step 3: Cross multiply
    72,014.63x = 107,987.42 × 34,032.29
  4. Step 4: Simplify right side
    72,014.63x = 3,675,058,738.94
  5. Step 5: Solve for x
    x = 3,675,058,738.94/72,014.63
  6. Step 6: Final answer
    x = 51,032.12

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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.