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Finding the Fourth Proportional to 245,919.04, 368,891.63 and 77,452.54

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Solution

The fourth proportional to 245,919.04, 368,891.63 and 77,452.54 is: 116,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,919.04 : 368,891.63 = 77,452.54 : x
  2. Step 2: Convert to fraction form
    245,919.04/368,891.63 = 77,452.54/x
  3. Step 3: Cross multiply
    245,919.04x = 368,891.63 × 77,452.54
  4. Step 4: Simplify right side
    245,919.04x = 28,571,593,728.24
  5. Step 5: Solve for x
    x = 28,571,593,728.24/245,919.04
  6. Step 6: Final answer
    x = 116,182.93

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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.