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Finding the Fourth Proportional to 266,077.68, 367,176.60 and 145,215.60

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Solution

The fourth proportional to 266,077.68, 367,176.60 and 145,215.60 is: 200,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,077.68 : 367,176.60 = 145,215.60 : x
  2. Step 2: Convert to fraction form
    266,077.68/367,176.60 = 145,215.60/x
  3. Step 3: Cross multiply
    266,077.68x = 367,176.60 × 145,215.60
  4. Step 4: Simplify right side
    266,077.68x = 53,319,770,274.96
  5. Step 5: Solve for x
    x = 53,319,770,274.96/266,077.68
  6. Step 6: Final answer
    x = 200,391.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.