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Finding the Fourth Proportional to 170,769.67, 256,166.81 and 65,588.63

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Solution

The fourth proportional to 170,769.67, 256,166.81 and 65,588.63 is: 98,387.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,769.67 : 256,166.81 = 65,588.63 : x
  2. Step 2: Convert to fraction form
    170,769.67/256,166.81 = 65,588.63/x
  3. Step 3: Cross multiply
    170,769.67x = 256,166.81 × 65,588.63
  4. Step 4: Simplify right side
    170,769.67x = 16,801,630,119.37
  5. Step 5: Solve for x
    x = 16,801,630,119.37/170,769.67
  6. Step 6: Final answer
    x = 98,387.67

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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.