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Finding the Fourth Proportional to 228,739.20, 343,108.80 and 62,527.20

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Solution

The fourth proportional to 228,739.20, 343,108.80 and 62,527.20 is: 93,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,739.20 : 343,108.80 = 62,527.20 : x
  2. Step 2: Convert to fraction form
    228,739.20/343,108.80 = 62,527.20/x
  3. Step 3: Cross multiply
    228,739.20x = 343,108.80 × 62,527.20
  4. Step 4: Simplify right side
    228,739.20x = 21,453,632,559.36
  5. Step 5: Solve for x
    x = 21,453,632,559.36/228,739.20
  6. Step 6: Final answer
    x = 93,790.80

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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.