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Finding the Fourth Proportional to 272,266.89, 375,699.54 and 151,388.67

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Solution

The fourth proportional to 272,266.89, 375,699.54 and 151,388.67 is: 208,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,266.89 : 375,699.54 = 151,388.67 : x
  2. Step 2: Convert to fraction form
    272,266.89/375,699.54 = 151,388.67/x
  3. Step 3: Cross multiply
    272,266.89x = 375,699.54 × 151,388.67
  4. Step 4: Simplify right side
    272,266.89x = 56,876,653,680.21
  5. Step 5: Solve for x
    x = 56,876,653,680.21/272,266.89
  6. Step 6: Final answer
    x = 208,900.37

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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.