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Finding the Fourth Proportional to 104,694.52, 144,480.36 and 56,948.26

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Solution

The fourth proportional to 104,694.52, 144,480.36 and 56,948.26 is: 78,589.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,694.52 : 144,480.36 = 56,948.26 : x
  2. Step 2: Convert to fraction form
    104,694.52/144,480.36 = 56,948.26/x
  3. Step 3: Cross multiply
    104,694.52x = 144,480.36 × 56,948.26
  4. Step 4: Simplify right side
    104,694.52x = 8,227,905,106.17
  5. Step 5: Solve for x
    x = 8,227,905,106.17/104,694.52
  6. Step 6: Final answer
    x = 78,589.64

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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.