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Finding the Fourth Proportional to 107,956.30, 161,916.13 and 29,052.94

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Solution

The fourth proportional to 107,956.30, 161,916.13 and 29,052.94 is: 43,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,956.30 : 161,916.13 = 29,052.94 : x
  2. Step 2: Convert to fraction form
    107,956.30/161,916.13 = 29,052.94/x
  3. Step 3: Cross multiply
    107,956.30x = 161,916.13 × 29,052.94
  4. Step 4: Simplify right side
    107,956.30x = 4,704,139,609.92
  5. Step 5: Solve for x
    x = 4,704,139,609.92/107,956.30
  6. Step 6: Final answer
    x = 43,574.48

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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.