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Finding the Fourth Proportional to 219,195.90, 328,611.60 and 92,933.10

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Solution

The fourth proportional to 219,195.90, 328,611.60 and 92,933.10 is: 139,322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,195.90 : 328,611.60 = 92,933.10 : x
  2. Step 2: Convert to fraction form
    219,195.90/328,611.60 = 92,933.10/x
  3. Step 3: Cross multiply
    219,195.90x = 328,611.60 × 92,933.10
  4. Step 4: Simplify right side
    219,195.90x = 30,538,894,683.96
  5. Step 5: Solve for x
    x = 30,538,894,683.96/219,195.90
  6. Step 6: Final answer
    x = 139,322.38

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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.