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Finding the Fourth Proportional to 68,370.03, 102,555 and 35,071.56

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Solution

The fourth proportional to 68,370.03, 102,555 and 35,071.56 is: 52,607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,370.03 : 102,555 = 35,071.56 : x
  2. Step 2: Convert to fraction form
    68,370.03/102,555 = 35,071.56/x
  3. Step 3: Cross multiply
    68,370.03x = 102,555 × 35,071.56
  4. Step 4: Simplify right side
    68,370.03x = 3,596,763,835.80
  5. Step 5: Solve for x
    x = 3,596,763,835.80/68,370.03
  6. Step 6: Final answer
    x = 52,607.32

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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.