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Finding the Fourth Proportional to 203,017.76, 304,504.72 and 53,272.96

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Solution

The fourth proportional to 203,017.76, 304,504.72 and 53,272.96 is: 79,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,017.76 : 304,504.72 = 53,272.96 : x
  2. Step 2: Convert to fraction form
    203,017.76/304,504.72 = 53,272.96/x
  3. Step 3: Cross multiply
    203,017.76x = 304,504.72 × 53,272.96
  4. Step 4: Simplify right side
    203,017.76x = 16,221,867,768.37
  5. Step 5: Solve for x
    x = 16,221,867,768.37/203,017.76
  6. Step 6: Final answer
    x = 79,903.69

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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.