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Finding the Fourth Proportional to 272,119.86, 375,529.90 and 149,617.42

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Solution

The fourth proportional to 272,119.86, 375,529.90 and 149,617.42 is: 206,474.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,119.86 : 375,529.90 = 149,617.42 : x
  2. Step 2: Convert to fraction form
    272,119.86/375,529.90 = 149,617.42/x
  3. Step 3: Cross multiply
    272,119.86x = 375,529.90 × 149,617.42
  4. Step 4: Simplify right side
    272,119.86x = 56,185,812,893.21
  5. Step 5: Solve for x
    x = 56,185,812,893.21/272,119.86
  6. Step 6: Final answer
    x = 206,474.50

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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.