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Finding the Fourth Proportional to 228,539.76, 342,697.32 and 95,380.08

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Solution

The fourth proportional to 228,539.76, 342,697.32 and 95,380.08 is: 143,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,539.76 : 342,697.32 = 95,380.08 : x
  2. Step 2: Convert to fraction form
    228,539.76/342,697.32 = 95,380.08/x
  3. Step 3: Cross multiply
    228,539.76x = 342,697.32 × 95,380.08
  4. Step 4: Simplify right side
    228,539.76x = 32,686,497,797.39
  5. Step 5: Solve for x
    x = 32,686,497,797.39/228,539.76
  6. Step 6: Final answer
    x = 143,023.24

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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.