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Finding the Fourth Proportional to 368,010.03, 552,014.88 and 115,310.39

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Solution

The fourth proportional to 368,010.03, 552,014.88 and 115,310.39 is: 172,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,010.03 : 552,014.88 = 115,310.39 : x
  2. Step 2: Convert to fraction form
    368,010.03/552,014.88 = 115,310.39/x
  3. Step 3: Cross multiply
    368,010.03x = 552,014.88 × 115,310.39
  4. Step 4: Simplify right side
    368,010.03x = 63,653,047,761.98
  5. Step 5: Solve for x
    x = 63,653,047,761.98/368,010.03
  6. Step 6: Final answer
    x = 172,965.52

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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.