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Finding the Fourth Proportional to 266,532.59, 367,814.99 and 145,673.84

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Solution

The fourth proportional to 266,532.59, 367,814.99 and 145,673.84 is: 201,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,532.59 : 367,814.99 = 145,673.84 : x
  2. Step 2: Convert to fraction form
    266,532.59/367,814.99 = 145,673.84/x
  3. Step 3: Cross multiply
    266,532.59x = 367,814.99 × 145,673.84
  4. Step 4: Simplify right side
    266,532.59x = 53,581,022,002.86
  5. Step 5: Solve for x
    x = 53,581,022,002.86/266,532.59
  6. Step 6: Final answer
    x = 201,029.91

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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.