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Finding the Fourth Proportional to 245,959.00, 368,980.65 and 112,850.69

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Solution

The fourth proportional to 245,959.00, 368,980.65 and 112,850.69 is: 169,295.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,959.00 : 368,980.65 = 112,850.69 : x
  2. Step 2: Convert to fraction form
    245,959.00/368,980.65 = 112,850.69/x
  3. Step 3: Cross multiply
    245,959.00x = 368,980.65 × 112,850.69
  4. Step 4: Simplify right side
    245,959.00x = 41,639,719,104.25
  5. Step 5: Solve for x
    x = 41,639,719,104.25/245,959.00
  6. Step 6: Final answer
    x = 169,295.37

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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.