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Finding the Fourth Proportional to 238,504.60, 329,129.62 and 131,074.60

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Solution

The fourth proportional to 238,504.60, 329,129.62 and 131,074.60 is: 180,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,504.60 : 329,129.62 = 131,074.60 : x
  2. Step 2: Convert to fraction form
    238,504.60/329,129.62 = 131,074.60/x
  3. Step 3: Cross multiply
    238,504.60x = 329,129.62 × 131,074.60
  4. Step 4: Simplify right side
    238,504.60x = 43,140,533,289.65
  5. Step 5: Solve for x
    x = 43,140,533,289.65/238,504.60
  6. Step 6: Final answer
    x = 180,879.25

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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.