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Finding the Fourth Proportional to 68,347.26, 94,250.25 and 45,686.34

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Solution

The fourth proportional to 68,347.26, 94,250.25 and 45,686.34 is: 63,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,347.26 : 94,250.25 = 45,686.34 : x
  2. Step 2: Convert to fraction form
    68,347.26/94,250.25 = 45,686.34/x
  3. Step 3: Cross multiply
    68,347.26x = 94,250.25 × 45,686.34
  4. Step 4: Simplify right side
    68,347.26x = 4,305,948,966.59
  5. Step 5: Solve for x
    x = 4,305,948,966.59/68,347.26
  6. Step 6: Final answer
    x = 63,001.05

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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.