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Finding the Fourth Proportional to 183,963.21, 253,890.21 and 102,299.55

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Solution

The fourth proportional to 183,963.21, 253,890.21 and 102,299.55 is: 141,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,963.21 : 253,890.21 = 102,299.55 : x
  2. Step 2: Convert to fraction form
    183,963.21/253,890.21 = 102,299.55/x
  3. Step 3: Cross multiply
    183,963.21x = 253,890.21 × 102,299.55
  4. Step 4: Simplify right side
    183,963.21x = 25,972,854,232.41
  5. Step 5: Solve for x
    x = 25,972,854,232.41/183,963.21
  6. Step 6: Final answer
    x = 141,185.05

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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.