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Finding the Fourth Proportional to 245,626.80, 368,595.24 and 140,650.80

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Solution

The fourth proportional to 245,626.80, 368,595.24 and 140,650.80 is: 211,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,626.80 : 368,595.24 = 140,650.80 : x
  2. Step 2: Convert to fraction form
    245,626.80/368,595.24 = 140,650.80/x
  3. Step 3: Cross multiply
    245,626.80x = 368,595.24 × 140,650.80
  4. Step 4: Simplify right side
    245,626.80x = 51,843,215,382.19
  5. Step 5: Solve for x
    x = 51,843,215,382.19/245,626.80
  6. Step 6: Final answer
    x = 211,064.98

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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.