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Finding the Fourth Proportional to 159,644.10, 239,484.68 and 53,037.57

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Solution

The fourth proportional to 159,644.10, 239,484.68 and 53,037.57 is: 79,562.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,644.10 : 239,484.68 = 53,037.57 : x
  2. Step 2: Convert to fraction form
    159,644.10/239,484.68 = 53,037.57/x
  3. Step 3: Cross multiply
    159,644.10x = 239,484.68 × 53,037.57
  4. Step 4: Simplify right side
    159,644.10x = 12,701,686,609.53
  5. Step 5: Solve for x
    x = 12,701,686,609.53/159,644.10
  6. Step 6: Final answer
    x = 79,562.52

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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.