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Finding the Fourth Proportional to 103,273.37, 154,712.57 and 69,829.28

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Solution

The fourth proportional to 103,273.37, 154,712.57 and 69,829.28 is: 104,610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,273.37 : 154,712.57 = 69,829.28 : x
  2. Step 2: Convert to fraction form
    103,273.37/154,712.57 = 69,829.28/x
  3. Step 3: Cross multiply
    103,273.37x = 154,712.57 × 69,829.28
  4. Step 4: Simplify right side
    103,273.37x = 10,803,466,596.49
  5. Step 5: Solve for x
    x = 10,803,466,596.49/103,273.37
  6. Step 6: Final answer
    x = 104,610.39

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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.