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Finding the Fourth Proportional to 113,061.70, 169,594.17 and 53,903.62

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Solution

The fourth proportional to 113,061.70, 169,594.17 and 53,903.62 is: 80,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,061.70 : 169,594.17 = 53,903.62 : x
  2. Step 2: Convert to fraction form
    113,061.70/169,594.17 = 53,903.62/x
  3. Step 3: Cross multiply
    113,061.70x = 169,594.17 × 53,903.62
  4. Step 4: Simplify right side
    113,061.70x = 9,141,738,576.41
  5. Step 5: Solve for x
    x = 9,141,738,576.41/113,061.70
  6. Step 6: Final answer
    x = 80,856.20

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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.