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Finding the Fourth Proportional to 159,325.61, 239,024.42 and 52,709.31

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Solution

The fourth proportional to 159,325.61, 239,024.42 and 52,709.31 is: 79,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,325.61 : 239,024.42 = 52,709.31 : x
  2. Step 2: Convert to fraction form
    159,325.61/239,024.42 = 52,709.31/x
  3. Step 3: Cross multiply
    159,325.61x = 239,024.42 × 52,709.31
  4. Step 4: Simplify right side
    159,325.61x = 12,598,811,987.80
  5. Step 5: Solve for x
    x = 12,598,811,987.80/159,325.61
  6. Step 6: Final answer
    x = 79,075.87

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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.