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Finding the Fourth Proportional to 103,858.28, 155,795.05 and 37,298.98

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Solution

The fourth proportional to 103,858.28, 155,795.05 and 37,298.98 is: 55,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,858.28 : 155,795.05 = 37,298.98 : x
  2. Step 2: Convert to fraction form
    103,858.28/155,795.05 = 37,298.98/x
  3. Step 3: Cross multiply
    103,858.28x = 155,795.05 × 37,298.98
  4. Step 4: Simplify right side
    103,858.28x = 5,810,996,485.61
  5. Step 5: Solve for x
    x = 5,810,996,485.61/103,858.28
  6. Step 6: Final answer
    x = 55,951.21

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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.