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Finding the Fourth Proportional to 252,860.00, 379,288.62 and 103,099.70

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Solution

The fourth proportional to 252,860.00, 379,288.62 and 103,099.70 is: 154,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,860.00 : 379,288.62 = 103,099.70 : x
  2. Step 2: Convert to fraction form
    252,860.00/379,288.62 = 103,099.70/x
  3. Step 3: Cross multiply
    252,860.00x = 379,288.62 × 103,099.70
  4. Step 4: Simplify right side
    252,860.00x = 39,104,541,038.97
  5. Step 5: Solve for x
    x = 39,104,541,038.97/252,860.00
  6. Step 6: Final answer
    x = 154,648.98

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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.