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Finding the Fourth Proportional to 266,348.45, 367,569.70 and 145,500.98

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Solution

The fourth proportional to 266,348.45, 367,569.70 and 145,500.98 is: 200,796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,348.45 : 367,569.70 = 145,500.98 : x
  2. Step 2: Convert to fraction form
    266,348.45/367,569.70 = 145,500.98/x
  3. Step 3: Cross multiply
    266,348.45x = 367,569.70 × 145,500.98
  4. Step 4: Simplify right side
    266,348.45x = 53,481,749,366.71
  5. Step 5: Solve for x
    x = 53,481,749,366.71/266,348.45
  6. Step 6: Final answer
    x = 200,796.17

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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.