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Finding the Fourth Proportional to 183,767.10, 253,578.87 and 103,203.42

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Solution

The fourth proportional to 183,767.10, 253,578.87 and 103,203.42 is: 142,409.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,767.10 : 253,578.87 = 103,203.42 : x
  2. Step 2: Convert to fraction form
    183,767.10/253,578.87 = 103,203.42/x
  3. Step 3: Cross multiply
    183,767.10x = 253,578.87 × 103,203.42
  4. Step 4: Simplify right side
    183,767.10x = 26,170,206,623.74
  5. Step 5: Solve for x
    x = 26,170,206,623.74/183,767.10
  6. Step 6: Final answer
    x = 142,409.64

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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.