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Finding the Fourth Proportional to 83,886.48, 115,768.98 and 46,163.16

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Solution

The fourth proportional to 83,886.48, 115,768.98 and 46,163.16 is: 63,708.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,886.48 : 115,768.98 = 46,163.16 : x
  2. Step 2: Convert to fraction form
    83,886.48/115,768.98 = 46,163.16/x
  3. Step 3: Cross multiply
    83,886.48x = 115,768.98 × 46,163.16
  4. Step 4: Simplify right side
    83,886.48x = 5,344,261,946.78
  5. Step 5: Solve for x
    x = 5,344,261,946.78/83,886.48
  6. Step 6: Final answer
    x = 63,708.26

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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.