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Finding the Fourth Proportional to 239,493.50, 359,301.27 and 71,019.98

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Solution

The fourth proportional to 239,493.50, 359,301.27 and 71,019.98 is: 106,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,493.50 : 359,301.27 = 71,019.98 : x
  2. Step 2: Convert to fraction form
    239,493.50/359,301.27 = 71,019.98/x
  3. Step 3: Cross multiply
    239,493.50x = 359,301.27 × 71,019.98
  4. Step 4: Simplify right side
    239,493.50x = 25,517,569,009.37
  5. Step 5: Solve for x
    x = 25,517,569,009.37/239,493.50
  6. Step 6: Final answer
    x = 106,548.07

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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.