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Finding the Fourth Proportional to 335,893.96, 503,665.98 and 125,358.76

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Solution

The fourth proportional to 335,893.96, 503,665.98 and 125,358.76 is: 187,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,893.96 : 503,665.98 = 125,358.76 : x
  2. Step 2: Convert to fraction form
    335,893.96/503,665.98 = 125,358.76/x
  3. Step 3: Cross multiply
    335,893.96x = 503,665.98 × 125,358.76
  4. Step 4: Simplify right side
    335,893.96x = 63,138,942,706.98
  5. Step 5: Solve for x
    x = 63,138,942,706.98/335,893.96
  6. Step 6: Final answer
    x = 187,972.84

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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.