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Finding the Fourth Proportional to 68,702.36, 102,930.48 and 24,300.77

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Solution

The fourth proportional to 68,702.36, 102,930.48 and 24,300.77 is: 36,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,702.36 : 102,930.48 = 24,300.77 : x
  2. Step 2: Convert to fraction form
    68,702.36/102,930.48 = 24,300.77/x
  3. Step 3: Cross multiply
    68,702.36x = 102,930.48 × 24,300.77
  4. Step 4: Simplify right side
    68,702.36x = 2,501,289,405.82
  5. Step 5: Solve for x
    x = 2,501,289,405.82/68,702.36
  6. Step 6: Final answer
    x = 36,407.62

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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.