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Finding the Fourth Proportional to 203,913.60, 305,870.40 and 203,913.60

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Solution

The fourth proportional to 203,913.60, 305,870.40 and 203,913.60 is: 305,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,913.60 : 305,870.40 = 203,913.60 : x
  2. Step 2: Convert to fraction form
    203,913.60/305,870.40 = 203,913.60/x
  3. Step 3: Cross multiply
    203,913.60x = 305,870.40 × 203,913.60
  4. Step 4: Simplify right side
    203,913.60x = 62,371,134,397.44
  5. Step 5: Solve for x
    x = 62,371,134,397.44/203,913.60
  6. Step 6: Final answer
    x = 305,870.40

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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.