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Finding the Fourth Proportional to 245,770.52, 368,426.16 and 133,285.84

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Solution

The fourth proportional to 245,770.52, 368,426.16 and 133,285.84 is: 199,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,770.52 : 368,426.16 = 133,285.84 : x
  2. Step 2: Convert to fraction form
    245,770.52/368,426.16 = 133,285.84/x
  3. Step 3: Cross multiply
    245,770.52x = 368,426.16 × 133,285.84
  4. Step 4: Simplify right side
    245,770.52x = 49,105,990,213.57
  5. Step 5: Solve for x
    x = 49,105,990,213.57/245,770.52
  6. Step 6: Final answer
    x = 199,804.23

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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.