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Finding the Fourth Proportional to 245,816.94, 368,725.42 and 140,562.12

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Solution

The fourth proportional to 245,816.94, 368,725.42 and 140,562.12 is: 210,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,816.94 : 368,725.42 = 140,562.12 : x
  2. Step 2: Convert to fraction form
    245,816.94/368,725.42 = 140,562.12/x
  3. Step 3: Cross multiply
    245,816.94x = 368,725.42 × 140,562.12
  4. Step 4: Simplify right side
    245,816.94x = 51,828,826,733.09
  5. Step 5: Solve for x
    x = 51,828,826,733.09/245,816.94
  6. Step 6: Final answer
    x = 210,843.19

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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.