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Finding the Fourth Proportional to 202,997.77, 304,527.40 and 147,258.48

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Solution

The fourth proportional to 202,997.77, 304,527.40 and 147,258.48 is: 220,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,997.77 : 304,527.40 = 147,258.48 : x
  2. Step 2: Convert to fraction form
    202,997.77/304,527.40 = 147,258.48/x
  3. Step 3: Cross multiply
    202,997.77x = 304,527.40 × 147,258.48
  4. Step 4: Simplify right side
    202,997.77x = 44,844,242,816.18
  5. Step 5: Solve for x
    x = 44,844,242,816.18/202,997.77
  6. Step 6: Final answer
    x = 220,910.03

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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.