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Finding the Fourth Proportional to 228,921.80, 343,377.30 and 62,709.80

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Solution

The fourth proportional to 228,921.80, 343,377.30 and 62,709.80 is: 94,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,921.80 : 343,377.30 = 62,709.80 : x
  2. Step 2: Convert to fraction form
    228,921.80/343,377.30 = 62,709.80/x
  3. Step 3: Cross multiply
    228,921.80x = 343,377.30 × 62,709.80
  4. Step 4: Simplify right side
    228,921.80x = 21,533,121,807.54
  5. Step 5: Solve for x
    x = 21,533,121,807.54/228,921.80
  6. Step 6: Final answer
    x = 94,063.22

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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.