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Finding the Fourth Proportional to 183,912.84, 253,794.06 and 103,338.36

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Solution

The fourth proportional to 183,912.84, 253,794.06 and 103,338.36 is: 142,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,912.84 : 253,794.06 = 103,338.36 : x
  2. Step 2: Convert to fraction form
    183,912.84/253,794.06 = 103,338.36/x
  3. Step 3: Cross multiply
    183,912.84x = 253,794.06 × 103,338.36
  4. Step 4: Simplify right side
    183,912.84x = 26,226,661,938.14
  5. Step 5: Solve for x
    x = 26,226,661,938.14/183,912.84
  6. Step 6: Final answer
    x = 142,603.76

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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.