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Finding the Fourth Proportional to 143,674.96, 215,477.80 and 63,668.88

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Solution

The fourth proportional to 143,674.96, 215,477.80 and 63,668.88 is: 95,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,674.96 : 215,477.80 = 63,668.88 : x
  2. Step 2: Convert to fraction form
    143,674.96/215,477.80 = 63,668.88/x
  3. Step 3: Cross multiply
    143,674.96x = 215,477.80 × 63,668.88
  4. Step 4: Simplify right side
    143,674.96x = 13,719,230,190.86
  5. Step 5: Solve for x
    x = 13,719,230,190.86/143,674.96
  6. Step 6: Final answer
    x = 95,487.97

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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.