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Finding the Fourth Proportional to 149,693.90, 224,212.80 and 133,072.70

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Solution

The fourth proportional to 149,693.90, 224,212.80 and 133,072.70 is: 199,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,693.90 : 224,212.80 = 133,072.70 : x
  2. Step 2: Convert to fraction form
    149,693.90/224,212.80 = 133,072.70/x
  3. Step 3: Cross multiply
    149,693.90x = 224,212.80 × 133,072.70
  4. Step 4: Simplify right side
    149,693.90x = 29,836,602,670.56
  5. Step 5: Solve for x
    x = 29,836,602,670.56/149,693.90
  6. Step 6: Final answer
    x = 199,317.42

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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.