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Finding the Fourth Proportional to 67,536.96, 101,409.48 and 57,143.52

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Solution

The fourth proportional to 67,536.96, 101,409.48 and 57,143.52 is: 85,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,536.96 : 101,409.48 = 57,143.52 : x
  2. Step 2: Convert to fraction form
    67,536.96/101,409.48 = 57,143.52/x
  3. Step 3: Cross multiply
    67,536.96x = 101,409.48 × 57,143.52
  4. Step 4: Simplify right side
    67,536.96x = 5,794,894,648.57
  5. Step 5: Solve for x
    x = 5,794,894,648.57/67,536.96
  6. Step 6: Final answer
    x = 85,803.31

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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.