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Finding the Fourth Proportional to 248,166.60, 342,468 and 134,989.44

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Solution

The fourth proportional to 248,166.60, 342,468 and 134,989.44 is: 186,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,166.60 : 342,468 = 134,989.44 : x
  2. Step 2: Convert to fraction form
    248,166.60/342,468 = 134,989.44/x
  3. Step 3: Cross multiply
    248,166.60x = 342,468 × 134,989.44
  4. Step 4: Simplify right side
    248,166.60x = 46,229,563,537.92
  5. Step 5: Solve for x
    x = 46,229,563,537.92/248,166.60
  6. Step 6: Final answer
    x = 186,284.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.