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Finding the Fourth Proportional to 68,930.61, 103,410.64 and 23,953.39

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Solution

The fourth proportional to 68,930.61, 103,410.64 and 23,953.39 is: 35,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,930.61 : 103,410.64 = 23,953.39 : x
  2. Step 2: Convert to fraction form
    68,930.61/103,410.64 = 23,953.39/x
  3. Step 3: Cross multiply
    68,930.61x = 103,410.64 × 23,953.39
  4. Step 4: Simplify right side
    68,930.61x = 2,477,035,161.48
  5. Step 5: Solve for x
    x = 2,477,035,161.48/68,930.61
  6. Step 6: Final answer
    x = 35,935.20

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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.