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Finding the Fourth Proportional to 183,808.72, 253,660.44 and 103,236.40

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Solution

The fourth proportional to 183,808.72, 253,660.44 and 103,236.40 is: 142,468.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,808.72 : 253,660.44 = 103,236.40 : x
  2. Step 2: Convert to fraction form
    183,808.72/253,660.44 = 103,236.40/x
  3. Step 3: Cross multiply
    183,808.72x = 253,660.44 × 103,236.40
  4. Step 4: Simplify right side
    183,808.72x = 26,186,990,648.02
  5. Step 5: Solve for x
    x = 26,186,990,648.02/183,808.72
  6. Step 6: Final answer
    x = 142,468.71

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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.