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Finding the Fourth Proportional to 202,847.60, 304,271.40 and 146,860.40

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Solution

The fourth proportional to 202,847.60, 304,271.40 and 146,860.40 is: 220,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,847.60 : 304,271.40 = 146,860.40 : x
  2. Step 2: Convert to fraction form
    202,847.60/304,271.40 = 146,860.40/x
  3. Step 3: Cross multiply
    202,847.60x = 304,271.40 × 146,860.40
  4. Step 4: Simplify right side
    202,847.60x = 44,685,419,512.56
  5. Step 5: Solve for x
    x = 44,685,419,512.56/202,847.60
  6. Step 6: Final answer
    x = 220,290.60

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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.