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Finding the Fourth Proportional to 228,898.56, 343,332.80 and 79,104

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Solution

The fourth proportional to 228,898.56, 343,332.80 and 79,104 is: 118,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,898.56 : 343,332.80 = 79,104 : x
  2. Step 2: Convert to fraction form
    228,898.56/343,332.80 = 79,104/x
  3. Step 3: Cross multiply
    228,898.56x = 343,332.80 × 79,104
  4. Step 4: Simplify right side
    228,898.56x = 27,158,997,811.20
  5. Step 5: Solve for x
    x = 27,158,997,811.20/228,898.56
  6. Step 6: Final answer
    x = 118,650.80

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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.