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Finding the Fourth Proportional to 224,716.70, 336,637.65 and 135,705.80

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Solution

The fourth proportional to 224,716.70, 336,637.65 and 135,705.80 is: 203,294.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,716.70 : 336,637.65 = 135,705.80 : x
  2. Step 2: Convert to fraction form
    224,716.70/336,637.65 = 135,705.80/x
  3. Step 3: Cross multiply
    224,716.70x = 336,637.65 × 135,705.80
  4. Step 4: Simplify right side
    224,716.70x = 45,683,681,603.37
  5. Step 5: Solve for x
    x = 45,683,681,603.37/224,716.70
  6. Step 6: Final answer
    x = 203,294.56

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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.