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Finding the Fourth Proportional to 68,498.63, 102,748.14 and 26,945.63

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Solution

The fourth proportional to 68,498.63, 102,748.14 and 26,945.63 is: 40,418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,498.63 : 102,748.14 = 26,945.63 : x
  2. Step 2: Convert to fraction form
    68,498.63/102,748.14 = 26,945.63/x
  3. Step 3: Cross multiply
    68,498.63x = 102,748.14 × 26,945.63
  4. Step 4: Simplify right side
    68,498.63x = 2,768,612,849.89
  5. Step 5: Solve for x
    x = 2,768,612,849.89/68,498.63
  6. Step 6: Final answer
    x = 40,418.52

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1.5x scale

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.