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Finding the Fourth Proportional to 245,943.59, 368,967.24 and 79,718.63

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Solution

The fourth proportional to 245,943.59, 368,967.24 and 79,718.63 is: 119,594.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,943.59 : 368,967.24 = 79,718.63 : x
  2. Step 2: Convert to fraction form
    245,943.59/368,967.24 = 79,718.63/x
  3. Step 3: Cross multiply
    245,943.59x = 368,967.24 × 79,718.63
  4. Step 4: Simplify right side
    245,943.59x = 29,413,561,042.85
  5. Step 5: Solve for x
    x = 29,413,561,042.85/245,943.59
  6. Step 6: Final answer
    x = 119,594.75

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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.