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Finding the Fourth Proportional to 203,812.74, 304,346.63 and 166,446.93

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Solution

The fourth proportional to 203,812.74, 304,346.63 and 166,446.93 is: 248,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,812.74 : 304,346.63 = 166,446.93 : x
  2. Step 2: Convert to fraction form
    203,812.74/304,346.63 = 166,446.93/x
  3. Step 3: Cross multiply
    203,812.74x = 304,346.63 × 166,446.93
  4. Step 4: Simplify right side
    203,812.74x = 50,657,562,219.35
  5. Step 5: Solve for x
    x = 50,657,562,219.35/203,812.74
  6. Step 6: Final answer
    x = 248,549.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.