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Finding the Fourth Proportional to 159,697, 239,586 and 59,857.48

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Solution

The fourth proportional to 159,697, 239,586 and 59,857.48 is: 89,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,697 : 239,586 = 59,857.48 : x
  2. Step 2: Convert to fraction form
    159,697/239,586 = 59,857.48/x
  3. Step 3: Cross multiply
    159,697x = 239,586 × 59,857.48
  4. Step 4: Simplify right side
    159,697x = 14,341,014,203.28
  5. Step 5: Solve for x
    x = 14,341,014,203.28/159,697
  6. Step 6: Final answer
    x = 89,801.40

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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.