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Finding the Fourth Proportional to 183,868.80, 253,729.44 and 103,299.72

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Solution

The fourth proportional to 183,868.80, 253,729.44 and 103,299.72 is: 142,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,868.80 : 253,729.44 = 103,299.72 : x
  2. Step 2: Convert to fraction form
    183,868.80/253,729.44 = 103,299.72/x
  3. Step 3: Cross multiply
    183,868.80x = 253,729.44 × 103,299.72
  4. Step 4: Simplify right side
    183,868.80x = 26,210,180,107.76
  5. Step 5: Solve for x
    x = 26,210,180,107.76/183,868.80
  6. Step 6: Final answer
    x = 142,548.27

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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.