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Finding the Fourth Proportional to 71,292.48, 106,953.48 and 21,370.56

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Solution

The fourth proportional to 71,292.48, 106,953.48 and 21,370.56 is: 32,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,292.48 : 106,953.48 = 21,370.56 : x
  2. Step 2: Convert to fraction form
    71,292.48/106,953.48 = 21,370.56/x
  3. Step 3: Cross multiply
    71,292.48x = 106,953.48 × 21,370.56
  4. Step 4: Simplify right side
    71,292.48x = 2,285,655,761.55
  5. Step 5: Solve for x
    x = 2,285,655,761.55/71,292.48
  6. Step 6: Final answer
    x = 32,060.26

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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.