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Finding the Fourth Proportional to 159,370.59, 239,000.16 and 47,020.98

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Solution

The fourth proportional to 159,370.59, 239,000.16 and 47,020.98 is: 70,515.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,370.59 : 239,000.16 = 47,020.98 : x
  2. Step 2: Convert to fraction form
    159,370.59/239,000.16 = 47,020.98/x
  3. Step 3: Cross multiply
    159,370.59x = 239,000.16 × 47,020.98
  4. Step 4: Simplify right side
    159,370.59x = 11,238,021,743.36
  5. Step 5: Solve for x
    x = 11,238,021,743.36/159,370.59
  6. Step 6: Final answer
    x = 70,515.03

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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.