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Finding the Fourth Proportional to 223,879.06, 335,818.65 and 74,079.10

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Solution

The fourth proportional to 223,879.06, 335,818.65 and 74,079.10 is: 111,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,879.06 : 335,818.65 = 74,079.10 : x
  2. Step 2: Convert to fraction form
    223,879.06/335,818.65 = 74,079.10/x
  3. Step 3: Cross multiply
    223,879.06x = 335,818.65 × 74,079.10
  4. Step 4: Simplify right side
    223,879.06x = 24,877,143,355.22
  5. Step 5: Solve for x
    x = 24,877,143,355.22/223,879.06
  6. Step 6: Final answer
    x = 111,118.67

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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.