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Finding the Fourth Proportional to 228,203.68, 342,259.44 and 158,715.04

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Solution

The fourth proportional to 228,203.68, 342,259.44 and 158,715.04 is: 238,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,203.68 : 342,259.44 = 158,715.04 : x
  2. Step 2: Convert to fraction form
    228,203.68/342,259.44 = 158,715.04/x
  3. Step 3: Cross multiply
    228,203.68x = 342,259.44 × 158,715.04
  4. Step 4: Simplify right side
    228,203.68x = 54,321,720,709.98
  5. Step 5: Solve for x
    x = 54,321,720,709.98/228,203.68
  6. Step 6: Final answer
    x = 238,040.51

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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.