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Finding the Fourth Proportional to 68,014.10, 102,021.15 and 60,626.90

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Solution

The fourth proportional to 68,014.10, 102,021.15 and 60,626.90 is: 90,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,014.10 : 102,021.15 = 60,626.90 : x
  2. Step 2: Convert to fraction form
    68,014.10/102,021.15 = 60,626.90/x
  3. Step 3: Cross multiply
    68,014.10x = 102,021.15 × 60,626.90
  4. Step 4: Simplify right side
    68,014.10x = 6,185,226,058.94
  5. Step 5: Solve for x
    x = 6,185,226,058.94/68,014.10
  6. Step 6: Final answer
    x = 90,940.35

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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.