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Finding the Fourth Proportional to 201,377.18, 301,877.13 and 68,164.22

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Solution

The fourth proportional to 201,377.18, 301,877.13 and 68,164.22 is: 102,182.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,377.18 : 301,877.13 = 68,164.22 : x
  2. Step 2: Convert to fraction form
    201,377.18/301,877.13 = 68,164.22/x
  3. Step 3: Cross multiply
    201,377.18x = 301,877.13 × 68,164.22
  4. Step 4: Simplify right side
    201,377.18x = 20,577,219,102.29
  5. Step 5: Solve for x
    x = 20,577,219,102.29/201,377.18
  6. Step 6: Final answer
    x = 102,182.48

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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.