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Finding the Fourth Proportional to 103,625.80, 155,415.66 and 37,070.44

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Solution

The fourth proportional to 103,625.80, 155,415.66 and 37,070.44 is: 55,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.80 : 155,415.66 = 37,070.44 : x
  2. Step 2: Convert to fraction form
    103,625.80/155,415.66 = 37,070.44/x
  3. Step 3: Cross multiply
    103,625.80x = 155,415.66 × 37,070.44
  4. Step 4: Simplify right side
    103,625.80x = 5,761,326,899.09
  5. Step 5: Solve for x
    x = 5,761,326,899.09/103,625.80
  6. Step 6: Final answer
    x = 55,597.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.