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Finding the Fourth Proportional to 272,181.74, 375,589.47 and 151,315.67

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Solution

The fourth proportional to 272,181.74, 375,589.47 and 151,315.67 is: 208,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,181.74 : 375,589.47 = 151,315.67 : x
  2. Step 2: Convert to fraction form
    272,181.74/375,589.47 = 151,315.67/x
  3. Step 3: Cross multiply
    272,181.74x = 375,589.47 × 151,315.67
  4. Step 4: Simplify right side
    272,181.74x = 56,832,572,297.99
  5. Step 5: Solve for x
    x = 56,832,572,297.99/272,181.74
  6. Step 6: Final answer
    x = 208,803.77

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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.