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Finding the Fourth Proportional to 159,792, 239,699.52 and 61,296

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Solution

The fourth proportional to 159,792, 239,699.52 and 61,296 is: 91,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,792 : 239,699.52 = 61,296 : x
  2. Step 2: Convert to fraction form
    159,792/239,699.52 = 61,296/x
  3. Step 3: Cross multiply
    159,792x = 239,699.52 × 61,296
  4. Step 4: Simplify right side
    159,792x = 14,692,621,777.92
  5. Step 5: Solve for x
    x = 14,692,621,777.92/159,792
  6. Step 6: Final answer
    x = 91,948.42

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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.