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Finding the Fourth Proportional to 123,556.98, 185,265.17 and 48,636.51

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Solution

The fourth proportional to 123,556.98, 185,265.17 and 48,636.51 is: 72,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,556.98 : 185,265.17 = 48,636.51 : x
  2. Step 2: Convert to fraction form
    123,556.98/185,265.17 = 48,636.51/x
  3. Step 3: Cross multiply
    123,556.98x = 185,265.17 × 48,636.51
  4. Step 4: Simplify right side
    123,556.98x = 9,010,651,293.36
  5. Step 5: Solve for x
    x = 9,010,651,293.36/123,556.98
  6. Step 6: Final answer
    x = 72,927.09

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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.