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Finding the Fourth Proportional to 266,099.36, 367,208 and 158,614

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Solution

The fourth proportional to 266,099.36, 367,208 and 158,614 is: 218,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,099.36 : 367,208 = 158,614 : x
  2. Step 2: Convert to fraction form
    266,099.36/367,208 = 158,614/x
  3. Step 3: Cross multiply
    266,099.36x = 367,208 × 158,614
  4. Step 4: Simplify right side
    266,099.36x = 58,244,329,712
  5. Step 5: Solve for x
    x = 58,244,329,712/266,099.36
  6. Step 6: Final answer
    x = 218,881.89

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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.