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Finding the Fourth Proportional to 104,495.95, 156,636.69 and 41,290.48

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Solution

The fourth proportional to 104,495.95, 156,636.69 and 41,290.48 is: 61,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,495.95 : 156,636.69 = 41,290.48 : x
  2. Step 2: Convert to fraction form
    104,495.95/156,636.69 = 41,290.48/x
  3. Step 3: Cross multiply
    104,495.95x = 156,636.69 × 41,290.48
  4. Step 4: Simplify right side
    104,495.95x = 6,467,604,115.71
  5. Step 5: Solve for x
    x = 6,467,604,115.71/104,495.95
  6. Step 6: Final answer
    x = 61,893.35

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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.