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Finding the Fourth Proportional to 235,558.45, 325,041.14 and 159,243.60

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Solution

The fourth proportional to 235,558.45, 325,041.14 and 159,243.60 is: 219,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,558.45 : 325,041.14 = 159,243.60 : x
  2. Step 2: Convert to fraction form
    235,558.45/325,041.14 = 159,243.60/x
  3. Step 3: Cross multiply
    235,558.45x = 325,041.14 × 159,243.60
  4. Step 4: Simplify right side
    235,558.45x = 51,760,720,485.49
  5. Step 5: Solve for x
    x = 51,760,720,485.49/235,558.45
  6. Step 6: Final answer
    x = 219,736.21

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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.