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Finding the Fourth Proportional to 272,266.88, 375,699.53 and 151,388.66

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Solution

The fourth proportional to 272,266.88, 375,699.53 and 151,388.66 is: 208,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,266.88 : 375,699.53 = 151,388.66 : x
  2. Step 2: Convert to fraction form
    272,266.88/375,699.53 = 151,388.66/x
  3. Step 3: Cross multiply
    272,266.88x = 375,699.53 × 151,388.66
  4. Step 4: Simplify right side
    272,266.88x = 56,876,648,409.33
  5. Step 5: Solve for x
    x = 56,876,648,409.33/272,266.88
  6. Step 6: Final answer
    x = 208,900.36

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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.