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Finding the Fourth Proportional to 180,555.99, 270,602.18 and 68,102.27

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Solution

The fourth proportional to 180,555.99, 270,602.18 and 68,102.27 is: 102,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,555.99 : 270,602.18 = 68,102.27 : x
  2. Step 2: Convert to fraction form
    180,555.99/270,602.18 = 68,102.27/x
  3. Step 3: Cross multiply
    180,555.99x = 270,602.18 × 68,102.27
  4. Step 4: Simplify right side
    180,555.99x = 18,428,622,397.34
  5. Step 5: Solve for x
    x = 18,428,622,397.34/180,555.99
  6. Step 6: Final answer
    x = 102,065.97

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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.