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Finding the Fourth Proportional to 245,583.26, 368,374.91 and 68,090.28

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Solution

The fourth proportional to 245,583.26, 368,374.91 and 68,090.28 is: 102,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,583.26 : 368,374.91 = 68,090.28 : x
  2. Step 2: Convert to fraction form
    245,583.26/368,374.91 = 68,090.28/x
  3. Step 3: Cross multiply
    245,583.26x = 368,374.91 × 68,090.28
  4. Step 4: Simplify right side
    245,583.26x = 25,082,748,584.55
  5. Step 5: Solve for x
    x = 25,082,748,584.55/245,583.26
  6. Step 6: Final answer
    x = 102,135.42

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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.