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Finding the Fourth Proportional to 183,616.88, 253,327.50 and 115,639.45

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Solution

The fourth proportional to 183,616.88, 253,327.50 and 115,639.45 is: 159,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,616.88 : 253,327.50 = 115,639.45 : x
  2. Step 2: Convert to fraction form
    183,616.88/253,327.50 = 115,639.45/x
  3. Step 3: Cross multiply
    183,616.88x = 253,327.50 × 115,639.45
  4. Step 4: Simplify right side
    183,616.88x = 29,294,652,136.56
  5. Step 5: Solve for x
    x = 29,294,652,136.56/183,616.88
  6. Step 6: Final answer
    x = 159,542.27

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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.