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Finding the Fourth Proportional to 159,635.58, 239,477.97 and 54,429.93

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Solution

The fourth proportional to 159,635.58, 239,477.97 and 54,429.93 is: 81,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,635.58 : 239,477.97 = 54,429.93 : x
  2. Step 2: Convert to fraction form
    159,635.58/239,477.97 = 54,429.93/x
  3. Step 3: Cross multiply
    159,635.58x = 239,477.97 × 54,429.93
  4. Step 4: Simplify right side
    159,635.58x = 13,034,769,143.64
  5. Step 5: Solve for x
    x = 13,034,769,143.64/159,635.58
  6. Step 6: Final answer
    x = 81,653.28

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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.