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Finding the Fourth Proportional to 159,886.64, 239,840.34 and 53,266.04

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Solution

The fourth proportional to 159,886.64, 239,840.34 and 53,266.04 is: 79,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,886.64 : 239,840.34 = 53,266.04 : x
  2. Step 2: Convert to fraction form
    159,886.64/239,840.34 = 53,266.04/x
  3. Step 3: Cross multiply
    159,886.64x = 239,840.34 × 53,266.04
  4. Step 4: Simplify right side
    159,886.64x = 12,775,345,144.05
  5. Step 5: Solve for x
    x = 12,775,345,144.05/159,886.64
  6. Step 6: Final answer
    x = 79,902.52

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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.