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Finding the Fourth Proportional to 159,615.50, 239,424.45 and 70,845.14

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Solution

The fourth proportional to 159,615.50, 239,424.45 and 70,845.14 is: 106,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,615.50 : 239,424.45 = 70,845.14 : x
  2. Step 2: Convert to fraction form
    159,615.50/239,424.45 = 70,845.14/x
  3. Step 3: Cross multiply
    159,615.50x = 239,424.45 × 70,845.14
  4. Step 4: Simplify right side
    159,615.50x = 16,962,058,679.67
  5. Step 5: Solve for x
    x = 16,962,058,679.67/159,615.50
  6. Step 6: Final answer
    x = 106,268.24

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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.