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Finding the Fourth Proportional to 154,275.84, 213,991.27 and 150,181.29

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Solution

The fourth proportional to 154,275.84, 213,991.27 and 150,181.29 is: 208,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,275.84 : 213,991.27 = 150,181.29 : x
  2. Step 2: Convert to fraction form
    154,275.84/213,991.27 = 150,181.29/x
  3. Step 3: Cross multiply
    154,275.84x = 213,991.27 × 150,181.29
  4. Step 4: Simplify right side
    154,275.84x = 32,137,484,601.89
  5. Step 5: Solve for x
    x = 32,137,484,601.89/154,275.84
  6. Step 6: Final answer
    x = 208,311.84

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.