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Finding the Fourth Proportional to 223,847.45, 335,832.53 and 66,075.86

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Solution

The fourth proportional to 223,847.45, 335,832.53 and 66,075.86 is: 99,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,847.45 : 335,832.53 = 66,075.86 : x
  2. Step 2: Convert to fraction form
    223,847.45/335,832.53 = 66,075.86/x
  3. Step 3: Cross multiply
    223,847.45x = 335,832.53 × 66,075.86
  4. Step 4: Simplify right side
    223,847.45x = 22,190,421,226.18
  5. Step 5: Solve for x
    x = 22,190,421,226.18/223,847.45
  6. Step 6: Final answer
    x = 99,131.89

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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.