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Finding the Fourth Proportional to 224,907.60, 310,372.22 and 122,933.72

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Solution

The fourth proportional to 224,907.60, 310,372.22 and 122,933.72 is: 169,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,907.60 : 310,372.22 = 122,933.72 : x
  2. Step 2: Convert to fraction form
    224,907.60/310,372.22 = 122,933.72/x
  3. Step 3: Cross multiply
    224,907.60x = 310,372.22 × 122,933.72
  4. Step 4: Simplify right side
    224,907.60x = 38,155,211,589.26
  5. Step 5: Solve for x
    x = 38,155,211,589.26/224,907.60
  6. Step 6: Final answer
    x = 169,648.39

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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.