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Finding the Fourth Proportional to 202,873.20, 304,050.60 and 147,404.40

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Solution

The fourth proportional to 202,873.20, 304,050.60 and 147,404.40 is: 220,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,873.20 : 304,050.60 = 147,404.40 : x
  2. Step 2: Convert to fraction form
    202,873.20/304,050.60 = 147,404.40/x
  3. Step 3: Cross multiply
    202,873.20x = 304,050.60 × 147,404.40
  4. Step 4: Simplify right side
    202,873.20x = 44,818,396,262.64
  5. Step 5: Solve for x
    x = 44,818,396,262.64/202,873.20
  6. Step 6: Final answer
    x = 220,918.27

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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.