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Finding the Fourth Proportional to 219,992.33, 303,593.72 and 143,560.32

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Solution

The fourth proportional to 219,992.33, 303,593.72 and 143,560.32 is: 198,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,992.33 : 303,593.72 = 143,560.32 : x
  2. Step 2: Convert to fraction form
    219,992.33/303,593.72 = 143,560.32/x
  3. Step 3: Cross multiply
    219,992.33x = 303,593.72 × 143,560.32
  4. Step 4: Simplify right side
    219,992.33x = 43,584,010,875.39
  5. Step 5: Solve for x
    x = 43,584,010,875.39/219,992.33
  6. Step 6: Final answer
    x = 198,116.05

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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.