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Finding the Fourth Proportional to 272,197.94, 375,645.66 and 151,351.64

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Solution

The fourth proportional to 272,197.94, 375,645.66 and 151,351.64 is: 208,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,197.94 : 375,645.66 = 151,351.64 : x
  2. Step 2: Convert to fraction form
    272,197.94/375,645.66 = 151,351.64/x
  3. Step 3: Cross multiply
    272,197.94x = 375,645.66 × 151,351.64
  4. Step 4: Simplify right side
    272,197.94x = 56,854,586,699.88
  5. Step 5: Solve for x
    x = 56,854,586,699.88/272,197.94
  6. Step 6: Final answer
    x = 208,872.22

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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.