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Finding the Fourth Proportional to 223,803.16, 335,755.48 and 74,043.21

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Solution

The fourth proportional to 223,803.16, 335,755.48 and 74,043.21 is: 111,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,803.16 : 335,755.48 = 74,043.21 : x
  2. Step 2: Convert to fraction form
    223,803.16/335,755.48 = 74,043.21/x
  3. Step 3: Cross multiply
    223,803.16x = 335,755.48 × 74,043.21
  4. Step 4: Simplify right side
    223,803.16x = 24,860,413,514.29
  5. Step 5: Solve for x
    x = 24,860,413,514.29/223,803.16
  6. Step 6: Final answer
    x = 111,081.60

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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.