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Finding the Fourth Proportional to 266,523.45, 367,810.82 and 145,662.08

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Solution

The fourth proportional to 266,523.45, 367,810.82 and 145,662.08 is: 201,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,523.45 : 367,810.82 = 145,662.08 : x
  2. Step 2: Convert to fraction form
    266,523.45/367,810.82 = 145,662.08/x
  3. Step 3: Cross multiply
    266,523.45x = 367,810.82 × 145,662.08
  4. Step 4: Simplify right side
    266,523.45x = 53,576,086,520.34
  5. Step 5: Solve for x
    x = 53,576,086,520.34/266,523.45
  6. Step 6: Final answer
    x = 201,018.28

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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.