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Finding the Fourth Proportional to 113,013.10, 169,411.65 and 41,916.70

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Solution

The fourth proportional to 113,013.10, 169,411.65 and 41,916.70 is: 62,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,013.10 : 169,411.65 = 41,916.70 : x
  2. Step 2: Convert to fraction form
    113,013.10/169,411.65 = 41,916.70/x
  3. Step 3: Cross multiply
    113,013.10x = 169,411.65 × 41,916.70
  4. Step 4: Simplify right side
    113,013.10x = 7,101,177,309.56
  5. Step 5: Solve for x
    x = 7,101,177,309.56/113,013.10
  6. Step 6: Final answer
    x = 62,834.99

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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.