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Finding the Fourth Proportional to 223,361.64, 307,920.42 and 159,676.20

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Solution

The fourth proportional to 223,361.64, 307,920.42 and 159,676.20 is: 220,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,361.64 : 307,920.42 = 159,676.20 : x
  2. Step 2: Convert to fraction form
    223,361.64/307,920.42 = 159,676.20/x
  3. Step 3: Cross multiply
    223,361.64x = 307,920.42 × 159,676.20
  4. Step 4: Simplify right side
    223,361.64x = 49,167,562,568.00
  5. Step 5: Solve for x
    x = 49,167,562,568.00/223,361.64
  6. Step 6: Final answer
    x = 220,125.37

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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.