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Finding the Fourth Proportional to 115,567.56, 159,435.74 and 70,238.24

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Solution

The fourth proportional to 115,567.56, 159,435.74 and 70,238.24 is: 96,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,567.56 : 159,435.74 = 70,238.24 : x
  2. Step 2: Convert to fraction form
    115,567.56/159,435.74 = 70,238.24/x
  3. Step 3: Cross multiply
    115,567.56x = 159,435.74 × 70,238.24
  4. Step 4: Simplify right side
    115,567.56x = 11,198,485,747.00
  5. Step 5: Solve for x
    x = 11,198,485,747.00/115,567.56
  6. Step 6: Final answer
    x = 96,899.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.