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Finding the Fourth Proportional to 272,595.53, 376,173.41 and 151,733.67

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Solution

The fourth proportional to 272,595.53, 376,173.41 and 151,733.67 is: 209,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,595.53 : 376,173.41 = 151,733.67 : x
  2. Step 2: Convert to fraction form
    272,595.53/376,173.41 = 151,733.67/x
  3. Step 3: Cross multiply
    272,595.53x = 376,173.41 × 151,733.67
  4. Step 4: Simplify right side
    272,595.53x = 57,078,171,297.05
  5. Step 5: Solve for x
    x = 57,078,171,297.05/272,595.53
  6. Step 6: Final answer
    x = 209,387.78

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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.