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Finding the Fourth Proportional to 235,406.87, 324,847.70 and 127,975.97

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Solution

The fourth proportional to 235,406.87, 324,847.70 and 127,975.97 is: 176,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,406.87 : 324,847.70 = 127,975.97 : x
  2. Step 2: Convert to fraction form
    235,406.87/324,847.70 = 127,975.97/x
  3. Step 3: Cross multiply
    235,406.87x = 324,847.70 × 127,975.97
  4. Step 4: Simplify right side
    235,406.87x = 41,572,697,245.65
  5. Step 5: Solve for x
    x = 41,572,697,245.65/235,406.87
  6. Step 6: Final answer
    x = 176,599.34

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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.