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Finding the Fourth Proportional to 174,665.20, 261,706.20 and 149,587.60

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Solution

The fourth proportional to 174,665.20, 261,706.20 and 149,587.60 is: 224,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,665.20 : 261,706.20 = 149,587.60 : x
  2. Step 2: Convert to fraction form
    174,665.20/261,706.20 = 149,587.60/x
  3. Step 3: Cross multiply
    174,665.20x = 261,706.20 × 149,587.60
  4. Step 4: Simplify right side
    174,665.20x = 39,148,002,363.12
  5. Step 5: Solve for x
    x = 39,148,002,363.12/174,665.20
  6. Step 6: Final answer
    x = 224,131.67

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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.