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Finding the Fourth Proportional to 235,954.76, 325,620.41 and 128,525.67

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Solution

The fourth proportional to 235,954.76, 325,620.41 and 128,525.67 is: 177,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,954.76 : 325,620.41 = 128,525.67 : x
  2. Step 2: Convert to fraction form
    235,954.76/325,620.41 = 128,525.67/x
  3. Step 3: Cross multiply
    235,954.76x = 325,620.41 × 128,525.67
  4. Step 4: Simplify right side
    235,954.76x = 41,850,580,718.30
  5. Step 5: Solve for x
    x = 41,850,580,718.30/235,954.76
  6. Step 6: Final answer
    x = 177,366.97

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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.