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Finding the Fourth Proportional to 203,376.51, 305,045.33 and 124,450.11

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Solution

The fourth proportional to 203,376.51, 305,045.33 and 124,450.11 is: 186,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,376.51 : 305,045.33 = 124,450.11 : x
  2. Step 2: Convert to fraction form
    203,376.51/305,045.33 = 124,450.11/x
  3. Step 3: Cross multiply
    203,376.51x = 305,045.33 × 124,450.11
  4. Step 4: Simplify right side
    203,376.51x = 37,962,924,251.24
  5. Step 5: Solve for x
    x = 37,962,924,251.24/203,376.51
  6. Step 6: Final answer
    x = 186,663.27

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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.