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Finding the Fourth Proportional to 159,754.54, 239,681.53 and 47,435.34

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Solution

The fourth proportional to 159,754.54, 239,681.53 and 47,435.34 is: 71,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,754.54 : 239,681.53 = 47,435.34 : x
  2. Step 2: Convert to fraction form
    159,754.54/239,681.53 = 47,435.34/x
  3. Step 3: Cross multiply
    159,754.54x = 239,681.53 × 47,435.34
  4. Step 4: Simplify right side
    159,754.54x = 11,369,374,867.27
  5. Step 5: Solve for x
    x = 11,369,374,867.27/159,754.54
  6. Step 6: Final answer
    x = 71,167.78

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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.