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Finding the Fourth Proportional to 159,954.66, 219,136.87 and 153,973.54

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Solution

The fourth proportional to 159,954.66, 219,136.87 and 153,973.54 is: 210,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,954.66 : 219,136.87 = 153,973.54 : x
  2. Step 2: Convert to fraction form
    159,954.66/219,136.87 = 153,973.54/x
  3. Step 3: Cross multiply
    159,954.66x = 219,136.87 × 153,973.54
  4. Step 4: Simplify right side
    159,954.66x = 33,741,278,848.55
  5. Step 5: Solve for x
    x = 33,741,278,848.55/159,954.66
  6. Step 6: Final answer
    x = 210,942.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.