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Finding the Fourth Proportional to 185,963.90, 256,696 and 110,511.50

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Solution

The fourth proportional to 185,963.90, 256,696 and 110,511.50 is: 152,544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,963.90 : 256,696 = 110,511.50 : x
  2. Step 2: Convert to fraction form
    185,963.90/256,696 = 110,511.50/x
  3. Step 3: Cross multiply
    185,963.90x = 256,696 × 110,511.50
  4. Step 4: Simplify right side
    185,963.90x = 28,367,860,004
  5. Step 5: Solve for x
    x = 28,367,860,004/185,963.90
  6. Step 6: Final answer
    x = 152,544.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.