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Finding the Fourth Proportional to 180,954.91, 250,018.14 and 143,005.50

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Solution

The fourth proportional to 180,954.91, 250,018.14 and 143,005.50 is: 197,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,954.91 : 250,018.14 = 143,005.50 : x
  2. Step 2: Convert to fraction form
    180,954.91/250,018.14 = 143,005.50/x
  3. Step 3: Cross multiply
    180,954.91x = 250,018.14 × 143,005.50
  4. Step 4: Simplify right side
    180,954.91x = 35,753,969,656.04
  5. Step 5: Solve for x
    x = 35,753,969,656.04/180,954.91
  6. Step 6: Final answer
    x = 197,584.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.