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Finding the Fourth Proportional to 171,805.60, 257,805.60 and 119,252.80

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Solution

The fourth proportional to 171,805.60, 257,805.60 and 119,252.80 is: 178,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,805.60 : 257,805.60 = 119,252.80 : x
  2. Step 2: Convert to fraction form
    171,805.60/257,805.60 = 119,252.80/x
  3. Step 3: Cross multiply
    171,805.60x = 257,805.60 × 119,252.80
  4. Step 4: Simplify right side
    171,805.60x = 30,744,039,655.68
  5. Step 5: Solve for x
    x = 30,744,039,655.68/171,805.60
  6. Step 6: Final answer
    x = 178,946.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.