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Finding the Fourth Proportional to 245,393.40, 368,101.98 and 67,896.48

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Solution

The fourth proportional to 245,393.40, 368,101.98 and 67,896.48 is: 101,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,393.40 : 368,101.98 = 67,896.48 : x
  2. Step 2: Convert to fraction form
    245,393.40/368,101.98 = 67,896.48/x
  3. Step 3: Cross multiply
    245,393.40x = 368,101.98 × 67,896.48
  4. Step 4: Simplify right side
    245,393.40x = 24,992,828,723.03
  5. Step 5: Solve for x
    x = 24,992,828,723.03/245,393.40
  6. Step 6: Final answer
    x = 101,848.01

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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.