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Finding the Fourth Proportional to 149,368.90, 224,053.35 and 133,039.30

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Solution

The fourth proportional to 149,368.90, 224,053.35 and 133,039.30 is: 199,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,368.90 : 224,053.35 = 133,039.30 : x
  2. Step 2: Convert to fraction form
    149,368.90/224,053.35 = 133,039.30/x
  3. Step 3: Cross multiply
    149,368.90x = 224,053.35 × 133,039.30
  4. Step 4: Simplify right side
    149,368.90x = 29,807,900,846.66
  5. Step 5: Solve for x
    x = 29,807,900,846.66/149,368.90
  6. Step 6: Final answer
    x = 199,558.95

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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.