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Finding the Fourth Proportional to 183,744.40, 253,551.72 and 103,165.60

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Solution

The fourth proportional to 183,744.40, 253,551.72 and 103,165.60 is: 142,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,744.40 : 253,551.72 = 103,165.60 : x
  2. Step 2: Convert to fraction form
    183,744.40/253,551.72 = 103,165.60/x
  3. Step 3: Cross multiply
    183,744.40x = 253,551.72 × 103,165.60
  4. Step 4: Simplify right side
    183,744.40x = 26,157,815,324.83
  5. Step 5: Solve for x
    x = 26,157,815,324.83/183,744.40
  6. Step 6: Final answer
    x = 142,359.80

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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.