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Finding the Fourth Proportional to 183,611.64, 253,393.74 and 103,035

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Solution

The fourth proportional to 183,611.64, 253,393.74 and 103,035 is: 142,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,611.64 : 253,393.74 = 103,035 : x
  2. Step 2: Convert to fraction form
    183,611.64/253,393.74 = 103,035/x
  3. Step 3: Cross multiply
    183,611.64x = 253,393.74 × 103,035
  4. Step 4: Simplify right side
    183,611.64x = 26,108,424,000.90
  5. Step 5: Solve for x
    x = 26,108,424,000.90/183,611.64
  6. Step 6: Final answer
    x = 142,193.73

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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.