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Finding the Fourth Proportional to 68,969.70, 103,466.70 and 24,622.20

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Solution

The fourth proportional to 68,969.70, 103,466.70 and 24,622.20 is: 36,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,969.70 : 103,466.70 = 24,622.20 : x
  2. Step 2: Convert to fraction form
    68,969.70/103,466.70 = 24,622.20/x
  3. Step 3: Cross multiply
    68,969.70x = 103,466.70 × 24,622.20
  4. Step 4: Simplify right side
    68,969.70x = 2,547,577,780.74
  5. Step 5: Solve for x
    x = 2,547,577,780.74/68,969.70
  6. Step 6: Final answer
    x = 36,937.64

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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.