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Finding the Fourth Proportional to 272,596.98, 376,179.81 and 151,738.10

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Solution

The fourth proportional to 272,596.98, 376,179.81 and 151,738.10 is: 209,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,596.98 : 376,179.81 = 151,738.10 : x
  2. Step 2: Convert to fraction form
    272,596.98/376,179.81 = 151,738.10/x
  3. Step 3: Cross multiply
    272,596.98x = 376,179.81 × 151,738.10
  4. Step 4: Simplify right side
    272,596.98x = 57,080,807,746.86
  5. Step 5: Solve for x
    x = 57,080,807,746.86/272,596.98
  6. Step 6: Final answer
    x = 209,396.33

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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.