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Finding the Fourth Proportional to 245,293.59, 367,940.39 and 76,827.10

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Solution

The fourth proportional to 245,293.59, 367,940.39 and 76,827.10 is: 115,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,293.59 : 367,940.39 = 76,827.10 : x
  2. Step 2: Convert to fraction form
    245,293.59/367,940.39 = 76,827.10/x
  3. Step 3: Cross multiply
    245,293.59x = 367,940.39 × 76,827.10
  4. Step 4: Simplify right side
    245,293.59x = 28,267,792,752.43
  5. Step 5: Solve for x
    x = 28,267,792,752.43/245,293.59
  6. Step 6: Final answer
    x = 115,240.65

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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.