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Finding the Fourth Proportional to 159,762.56, 239,649.96 and 41,430.80

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Solution

The fourth proportional to 159,762.56, 239,649.96 and 41,430.80 is: 62,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,762.56 : 239,649.96 = 41,430.80 : x
  2. Step 2: Convert to fraction form
    159,762.56/239,649.96 = 41,430.80/x
  3. Step 3: Cross multiply
    159,762.56x = 239,649.96 × 41,430.80
  4. Step 4: Simplify right side
    159,762.56x = 9,928,889,562.77
  5. Step 5: Solve for x
    x = 9,928,889,562.77/159,762.56
  6. Step 6: Final answer
    x = 62,147.79

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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.