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Finding the Fourth Proportional to 238,594.58, 329,246.80 and 131,164.60

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Solution

The fourth proportional to 238,594.58, 329,246.80 and 131,164.60 is: 180,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,594.58 : 329,246.80 = 131,164.60 : x
  2. Step 2: Convert to fraction form
    238,594.58/329,246.80 = 131,164.60/x
  3. Step 3: Cross multiply
    238,594.58x = 329,246.80 × 131,164.60
  4. Step 4: Simplify right side
    238,594.58x = 43,185,524,823.28
  5. Step 5: Solve for x
    x = 43,185,524,823.28/238,594.58
  6. Step 6: Final answer
    x = 180,999.61

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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.