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Finding the Fourth Proportional to 203,477.76, 305,215.68 and 63,236.16

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Solution

The fourth proportional to 203,477.76, 305,215.68 and 63,236.16 is: 94,853.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,477.76 : 305,215.68 = 63,236.16 : x
  2. Step 2: Convert to fraction form
    203,477.76/305,215.68 = 63,236.16/x
  3. Step 3: Cross multiply
    203,477.76x = 305,215.68 × 63,236.16
  4. Step 4: Simplify right side
    203,477.76x = 19,300,667,574.99
  5. Step 5: Solve for x
    x = 19,300,667,574.99/203,477.76
  6. Step 6: Final answer
    x = 94,853.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.