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Finding the Fourth Proportional to 104,615, 156,911.14 and 61,924.76

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Solution

The fourth proportional to 104,615, 156,911.14 and 61,924.76 is: 92,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,615 : 156,911.14 = 61,924.76 : x
  2. Step 2: Convert to fraction form
    104,615/156,911.14 = 61,924.76/x
  3. Step 3: Cross multiply
    104,615x = 156,911.14 × 61,924.76
  4. Step 4: Simplify right side
    104,615x = 9,716,684,685.83
  5. Step 5: Solve for x
    x = 9,716,684,685.83/104,615
  6. Step 6: Final answer
    x = 92,880.42

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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.