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Finding the Fourth Proportional to 223,886.16, 335,945.88 and 99,198

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Solution

The fourth proportional to 223,886.16, 335,945.88 and 99,198 is: 148,848.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,886.16 : 335,945.88 = 99,198 : x
  2. Step 2: Convert to fraction form
    223,886.16/335,945.88 = 99,198/x
  3. Step 3: Cross multiply
    223,886.16x = 335,945.88 × 99,198
  4. Step 4: Simplify right side
    223,886.16x = 33,325,159,404.24
  5. Step 5: Solve for x
    x = 33,325,159,404.24/223,886.16
  6. Step 6: Final answer
    x = 148,848.68

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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.