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Finding the Fourth Proportional to 104,473.44, 144,169.62 and 56,725.80

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Solution

The fourth proportional to 104,473.44, 144,169.62 and 56,725.80 is: 78,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,473.44 : 144,169.62 = 56,725.80 : x
  2. Step 2: Convert to fraction form
    104,473.44/144,169.62 = 56,725.80/x
  3. Step 3: Cross multiply
    104,473.44x = 144,169.62 × 56,725.80
  4. Step 4: Simplify right side
    104,473.44x = 8,178,137,030.20
  5. Step 5: Solve for x
    x = 8,178,137,030.20/104,473.44
  6. Step 6: Final answer
    x = 78,279.58

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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.