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Finding the Fourth Proportional to 259,737.60, 389,606.40 and 93,465.60

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Solution

The fourth proportional to 259,737.60, 389,606.40 and 93,465.60 is: 140,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,737.60 : 389,606.40 = 93,465.60 : x
  2. Step 2: Convert to fraction form
    259,737.60/389,606.40 = 93,465.60/x
  3. Step 3: Cross multiply
    259,737.60x = 389,606.40 × 93,465.60
  4. Step 4: Simplify right side
    259,737.60x = 36,414,795,939.84
  5. Step 5: Solve for x
    x = 36,414,795,939.84/259,737.60
  6. Step 6: Final answer
    x = 140,198.40

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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.