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Finding the Fourth Proportional to 101,722.56, 152,362.80 and 57,325.92

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Solution

The fourth proportional to 101,722.56, 152,362.80 and 57,325.92 is: 85,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,722.56 : 152,362.80 = 57,325.92 : x
  2. Step 2: Convert to fraction form
    101,722.56/152,362.80 = 57,325.92/x
  3. Step 3: Cross multiply
    101,722.56x = 152,362.80 × 57,325.92
  4. Step 4: Simplify right side
    101,722.56x = 8,734,337,683.78
  5. Step 5: Solve for x
    x = 8,734,337,683.78/101,722.56
  6. Step 6: Final answer
    x = 85,864.31

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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.