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Finding the Fourth Proportional to 68,829.03, 95,017.49 and 46,159.78

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Solution

The fourth proportional to 68,829.03, 95,017.49 and 46,159.78 is: 63,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,829.03 : 95,017.49 = 46,159.78 : x
  2. Step 2: Convert to fraction form
    68,829.03/95,017.49 = 46,159.78/x
  3. Step 3: Cross multiply
    68,829.03x = 95,017.49 × 46,159.78
  4. Step 4: Simplify right side
    68,829.03x = 4,385,986,203.75
  5. Step 5: Solve for x
    x = 4,385,986,203.75/68,829.03
  6. Step 6: Final answer
    x = 63,722.92

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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.