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Finding the Fourth Proportional to 159,285.89, 238,943.72 and 52,670.25

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Solution

The fourth proportional to 159,285.89, 238,943.72 and 52,670.25 is: 79,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,285.89 : 238,943.72 = 52,670.25 : x
  2. Step 2: Convert to fraction form
    159,285.89/238,943.72 = 52,670.25/x
  3. Step 3: Cross multiply
    159,285.89x = 238,943.72 × 52,670.25
  4. Step 4: Simplify right side
    159,285.89x = 12,585,225,600.01
  5. Step 5: Solve for x
    x = 12,585,225,600.01/159,285.89
  6. Step 6: Final answer
    x = 79,010.30

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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.