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Finding the Fourth Proportional to 503,996.98, 755,985.75 and 124,918.50

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Solution

The fourth proportional to 503,996.98, 755,985.75 and 124,918.50 is: 187,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,996.98 : 755,985.75 = 124,918.50 : x
  2. Step 2: Convert to fraction form
    503,996.98/755,985.75 = 124,918.50/x
  3. Step 3: Cross multiply
    503,996.98x = 755,985.75 × 124,918.50
  4. Step 4: Simplify right side
    503,996.98x = 94,436,605,442.93
  5. Step 5: Solve for x
    x = 94,436,605,442.93/503,996.98
  6. Step 6: Final answer
    x = 187,375.34

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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.