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Finding the Fourth Proportional to 133,670.70, 200,506.05 and 124,813.35

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Solution

The fourth proportional to 133,670.70, 200,506.05 and 124,813.35 is: 187,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,670.70 : 200,506.05 = 124,813.35 : x
  2. Step 2: Convert to fraction form
    133,670.70/200,506.05 = 124,813.35/x
  3. Step 3: Cross multiply
    133,670.70x = 200,506.05 × 124,813.35
  4. Step 4: Simplify right side
    133,670.70x = 25,025,831,795.77
  5. Step 5: Solve for x
    x = 25,025,831,795.77/133,670.70
  6. Step 6: Final answer
    x = 187,220.03

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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.