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Finding the Fourth Proportional to 159,081, 238,622.94 and 48,273

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Solution

The fourth proportional to 159,081, 238,622.94 and 48,273 is: 72,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,081 : 238,622.94 = 48,273 : x
  2. Step 2: Convert to fraction form
    159,081/238,622.94 = 48,273/x
  3. Step 3: Cross multiply
    159,081x = 238,622.94 × 48,273
  4. Step 4: Simplify right side
    159,081x = 11,519,045,182.62
  5. Step 5: Solve for x
    x = 11,519,045,182.62/159,081
  6. Step 6: Final answer
    x = 72,409.94

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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.