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Finding the Fourth Proportional to 159,665.67, 239,622.48 and 59,916.60

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Solution

The fourth proportional to 159,665.67, 239,622.48 and 59,916.60 is: 89,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,665.67 : 239,622.48 = 59,916.60 : x
  2. Step 2: Convert to fraction form
    159,665.67/239,622.48 = 59,916.60/x
  3. Step 3: Cross multiply
    159,665.67x = 239,622.48 × 59,916.60
  4. Step 4: Simplify right side
    159,665.67x = 14,357,364,285.17
  5. Step 5: Solve for x
    x = 14,357,364,285.17/159,665.67
  6. Step 6: Final answer
    x = 89,921.42

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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.