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Finding the Fourth Proportional to 245,392.40, 368,100.48 and 67,895.48

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Solution

The fourth proportional to 245,392.40, 368,100.48 and 67,895.48 is: 101,846.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,392.40 : 368,100.48 = 67,895.48 : x
  2. Step 2: Convert to fraction form
    245,392.40/368,100.48 = 67,895.48/x
  3. Step 3: Cross multiply
    245,392.40x = 368,100.48 × 67,895.48
  4. Step 4: Simplify right side
    245,392.40x = 24,992,358,777.83
  5. Step 5: Solve for x
    x = 24,992,358,777.83/245,392.40
  6. Step 6: Final answer
    x = 101,846.51

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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.