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Finding the Fourth Proportional to 183,768.90, 253,592.01 and 103,199.82

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Solution

The fourth proportional to 183,768.90, 253,592.01 and 103,199.82 is: 142,410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,768.90 : 253,592.01 = 103,199.82 : x
  2. Step 2: Convert to fraction form
    183,768.90/253,592.01 = 103,199.82/x
  3. Step 3: Cross multiply
    183,768.90x = 253,592.01 × 103,199.82
  4. Step 4: Simplify right side
    183,768.90x = 26,170,649,785.44
  5. Step 5: Solve for x
    x = 26,170,649,785.44/183,768.90
  6. Step 6: Final answer
    x = 142,410.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.