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Finding the Fourth Proportional to 266,063.63, 367,175.57 and 145,212.64

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Solution

The fourth proportional to 266,063.63, 367,175.57 and 145,212.64 is: 200,397.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,063.63 : 367,175.57 = 145,212.64 : x
  2. Step 2: Convert to fraction form
    266,063.63/367,175.57 = 145,212.64/x
  3. Step 3: Cross multiply
    266,063.63x = 367,175.57 × 145,212.64
  4. Step 4: Simplify right side
    266,063.63x = 53,318,532,219.20
  5. Step 5: Solve for x
    x = 53,318,532,219.20/266,063.63
  6. Step 6: Final answer
    x = 200,397.68

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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.