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Finding the Fourth Proportional to 202,633.64, 303,956.61 and 69,512.01

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Solution

The fourth proportional to 202,633.64, 303,956.61 and 69,512.01 is: 104,270.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,633.64 : 303,956.61 = 69,512.01 : x
  2. Step 2: Convert to fraction form
    202,633.64/303,956.61 = 69,512.01/x
  3. Step 3: Cross multiply
    202,633.64x = 303,956.61 × 69,512.01
  4. Step 4: Simplify right side
    202,633.64x = 21,128,634,913.89
  5. Step 5: Solve for x
    x = 21,128,634,913.89/202,633.64
  6. Step 6: Final answer
    x = 104,270.12

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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.