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Finding the Fourth Proportional to 183,902.88, 253,786.20 and 103,330.44

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Solution

The fourth proportional to 183,902.88, 253,786.20 and 103,330.44 is: 142,596.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,902.88 : 253,786.20 = 103,330.44 : x
  2. Step 2: Convert to fraction form
    183,902.88/253,786.20 = 103,330.44/x
  3. Step 3: Cross multiply
    183,902.88x = 253,786.20 × 103,330.44
  4. Step 4: Simplify right side
    183,902.88x = 26,223,839,711.93
  5. Step 5: Solve for x
    x = 26,223,839,711.93/183,902.88
  6. Step 6: Final answer
    x = 142,596.13

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1.5x scale

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.