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Finding the Fourth Proportional to 245,790.08, 368,684.90 and 68,297

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Solution

The fourth proportional to 245,790.08, 368,684.90 and 68,297 is: 102,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,790.08 : 368,684.90 = 68,297 : x
  2. Step 2: Convert to fraction form
    245,790.08/368,684.90 = 68,297/x
  3. Step 3: Cross multiply
    245,790.08x = 368,684.90 × 68,297
  4. Step 4: Simplify right side
    245,790.08x = 25,180,072,615.30
  5. Step 5: Solve for x
    x = 25,180,072,615.30/245,790.08
  6. Step 6: Final answer
    x = 102,445.44

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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.