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Finding the Fourth Proportional to 174,781.56, 261,764.10 and 160,668.12

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Solution

The fourth proportional to 174,781.56, 261,764.10 and 160,668.12 is: 240,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,781.56 : 261,764.10 = 160,668.12 : x
  2. Step 2: Convert to fraction form
    174,781.56/261,764.10 = 160,668.12/x
  3. Step 3: Cross multiply
    174,781.56x = 261,764.10 × 160,668.12
  4. Step 4: Simplify right side
    174,781.56x = 42,057,145,830.49
  5. Step 5: Solve for x
    x = 42,057,145,830.49/174,781.56
  6. Step 6: Final answer
    x = 240,626.90

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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.