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Finding the Fourth Proportional to 157,069.60, 235,215.60 and 125,965.60

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Solution

The fourth proportional to 157,069.60, 235,215.60 and 125,965.60 is: 188,636.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,069.60 : 235,215.60 = 125,965.60 : x
  2. Step 2: Convert to fraction form
    157,069.60/235,215.60 = 125,965.60/x
  3. Step 3: Cross multiply
    157,069.60x = 235,215.60 × 125,965.60
  4. Step 4: Simplify right side
    157,069.60x = 29,629,074,183.36
  5. Step 5: Solve for x
    x = 29,629,074,183.36/157,069.60
  6. Step 6: Final answer
    x = 188,636.59

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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.