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Finding the Fourth Proportional to 68,992.76, 103,402.57 and 29,503.44

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Solution

The fourth proportional to 68,992.76, 103,402.57 and 29,503.44 is: 44,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,992.76 : 103,402.57 = 29,503.44 : x
  2. Step 2: Convert to fraction form
    68,992.76/103,402.57 = 29,503.44/x
  3. Step 3: Cross multiply
    68,992.76x = 103,402.57 × 29,503.44
  4. Step 4: Simplify right side
    68,992.76x = 3,050,731,519.84
  5. Step 5: Solve for x
    x = 3,050,731,519.84/68,992.76
  6. Step 6: Final answer
    x = 44,218.14

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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.