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Finding the Fourth Proportional to 159,477.70, 239,216.55 and 109,711.30

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Solution

The fourth proportional to 159,477.70, 239,216.55 and 109,711.30 is: 164,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,477.70 : 239,216.55 = 109,711.30 : x
  2. Step 2: Convert to fraction form
    159,477.70/239,216.55 = 109,711.30/x
  3. Step 3: Cross multiply
    159,477.70x = 239,216.55 × 109,711.30
  4. Step 4: Simplify right side
    159,477.70x = 26,244,758,682.02
  5. Step 5: Solve for x
    x = 26,244,758,682.02/159,477.70
  6. Step 6: Final answer
    x = 164,566.95

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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.