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Finding the Fourth Proportional to 223,563.48, 308,361.38 and 151,818.96

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Solution

The fourth proportional to 223,563.48, 308,361.38 and 151,818.96 is: 209,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,563.48 : 308,361.38 = 151,818.96 : x
  2. Step 2: Convert to fraction form
    223,563.48/308,361.38 = 151,818.96/x
  3. Step 3: Cross multiply
    223,563.48x = 308,361.38 × 151,818.96
  4. Step 4: Simplify right side
    223,563.48x = 46,815,104,015.76
  5. Step 5: Solve for x
    x = 46,815,104,015.76/223,563.48
  6. Step 6: Final answer
    x = 209,404.08

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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.