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Finding the Fourth Proportional to 105,802.44, 158,704.59 and 26,916.75

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Solution

The fourth proportional to 105,802.44, 158,704.59 and 26,916.75 is: 40,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,802.44 : 158,704.59 = 26,916.75 : x
  2. Step 2: Convert to fraction form
    105,802.44/158,704.59 = 26,916.75/x
  3. Step 3: Cross multiply
    105,802.44x = 158,704.59 × 26,916.75
  4. Step 4: Simplify right side
    105,802.44x = 4,271,811,772.88
  5. Step 5: Solve for x
    x = 4,271,811,772.88/105,802.44
  6. Step 6: Final answer
    x = 40,375.36

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1.5x scale

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.