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Finding the Fourth Proportional to 272,181.99, 375,589.82 and 151,315.92

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Solution

The fourth proportional to 272,181.99, 375,589.82 and 151,315.92 is: 208,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,181.99 : 375,589.82 = 151,315.92 : x
  2. Step 2: Convert to fraction form
    272,181.99/375,589.82 = 151,315.92/x
  3. Step 3: Cross multiply
    272,181.99x = 375,589.82 × 151,315.92
  4. Step 4: Simplify right side
    272,181.99x = 56,832,718,399.35
  5. Step 5: Solve for x
    x = 56,832,718,399.35/272,181.99
  6. Step 6: Final answer
    x = 208,804.11

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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.