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Finding the Fourth Proportional to 270,226.35, 372,912.32 and 147,719.18

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Solution

The fourth proportional to 270,226.35, 372,912.32 and 147,719.18 is: 203,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,226.35 : 372,912.32 = 147,719.18 : x
  2. Step 2: Convert to fraction form
    270,226.35/372,912.32 = 147,719.18/x
  3. Step 3: Cross multiply
    270,226.35x = 372,912.32 × 147,719.18
  4. Step 4: Simplify right side
    270,226.35x = 55,086,303,423.88
  5. Step 5: Solve for x
    x = 55,086,303,423.88/270,226.35
  6. Step 6: Final answer
    x = 203,852.45

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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.