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Finding the Fourth Proportional to 245,504.72, 368,267.52 and 68,007.44

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Solution

The fourth proportional to 245,504.72, 368,267.52 and 68,007.44 is: 102,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,504.72 : 368,267.52 = 68,007.44 : x
  2. Step 2: Convert to fraction form
    245,504.72/368,267.52 = 68,007.44/x
  3. Step 3: Cross multiply
    245,504.72x = 368,267.52 × 68,007.44
  4. Step 4: Simplify right side
    245,504.72x = 25,044,931,270.35
  5. Step 5: Solve for x
    x = 25,044,931,270.35/245,504.72
  6. Step 6: Final answer
    x = 102,014.05

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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.