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Finding the Fourth Proportional to 224,203.48, 309,163.44 and 143,634.40

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Solution

The fourth proportional to 224,203.48, 309,163.44 and 143,634.40 is: 198,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,203.48 : 309,163.44 = 143,634.40 : x
  2. Step 2: Convert to fraction form
    224,203.48/309,163.44 = 143,634.40/x
  3. Step 3: Cross multiply
    224,203.48x = 309,163.44 × 143,634.40
  4. Step 4: Simplify right side
    224,203.48x = 44,406,505,206.34
  5. Step 5: Solve for x
    x = 44,406,505,206.34/224,203.48
  6. Step 6: Final answer
    x = 198,063.41

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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.