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Finding the Fourth Proportional to 68,492.52, 102,746.97 and 29,044.50

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Solution

The fourth proportional to 68,492.52, 102,746.97 and 29,044.50 is: 43,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,492.52 : 102,746.97 = 29,044.50 : x
  2. Step 2: Convert to fraction form
    68,492.52/102,746.97 = 29,044.50/x
  3. Step 3: Cross multiply
    68,492.52x = 102,746.97 × 29,044.50
  4. Step 4: Simplify right side
    68,492.52x = 2,984,234,370.17
  5. Step 5: Solve for x
    x = 2,984,234,370.17/68,492.52
  6. Step 6: Final answer
    x = 43,570.22

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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.