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Finding the Fourth Proportional to 245,795.12, 368,751 and 79,583.12

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Solution

The fourth proportional to 245,795.12, 368,751 and 79,583.12 is: 119,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,795.12 : 368,751 = 79,583.12 : x
  2. Step 2: Convert to fraction form
    245,795.12/368,751 = 79,583.12/x
  3. Step 3: Cross multiply
    245,795.12x = 368,751 × 79,583.12
  4. Step 4: Simplify right side
    245,795.12x = 29,346,355,083.12
  5. Step 5: Solve for x
    x = 29,346,355,083.12/245,795.12
  6. Step 6: Final answer
    x = 119,393.56

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1.5x scale

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.