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Finding the Fourth Proportional to 101,993.32, 152,955.48 and 38,798.44

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Solution

The fourth proportional to 101,993.32, 152,955.48 and 38,798.44 is: 58,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,993.32 : 152,955.48 = 38,798.44 : x
  2. Step 2: Convert to fraction form
    101,993.32/152,955.48 = 38,798.44/x
  3. Step 3: Cross multiply
    101,993.32x = 152,955.48 × 38,798.44
  4. Step 4: Simplify right side
    101,993.32x = 5,934,434,013.45
  5. Step 5: Solve for x
    x = 5,934,434,013.45/101,993.32
  6. Step 6: Final answer
    x = 58,184.54

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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.