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Finding the Fourth Proportional to 219,168.28, 328,796.70 and 92,808.28

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Solution

The fourth proportional to 219,168.28, 328,796.70 and 92,808.28 is: 139,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,168.28 : 328,796.70 = 92,808.28 : x
  2. Step 2: Convert to fraction form
    219,168.28/328,796.70 = 92,808.28/x
  3. Step 3: Cross multiply
    219,168.28x = 328,796.70 × 92,808.28
  4. Step 4: Simplify right side
    219,168.28x = 30,515,056,196.68
  5. Step 5: Solve for x
    x = 30,515,056,196.68/219,168.28
  6. Step 6: Final answer
    x = 139,231.17

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1.5x scale

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.