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Finding the Fourth Proportional to 68,203.22, 102,325.07 and 34,946.64

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Solution

The fourth proportional to 68,203.22, 102,325.07 and 34,946.64 is: 52,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,203.22 : 102,325.07 = 34,946.64 : x
  2. Step 2: Convert to fraction form
    68,203.22/102,325.07 = 34,946.64/x
  3. Step 3: Cross multiply
    68,203.22x = 102,325.07 × 34,946.64
  4. Step 4: Simplify right side
    68,203.22x = 3,575,917,471.63
  5. Step 5: Solve for x
    x = 3,575,917,471.63/68,203.22
  6. Step 6: Final answer
    x = 52,430.34

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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.