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Finding the Fourth Proportional to 224,922.52, 310,393.42 and 129,427.32

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Solution

The fourth proportional to 224,922.52, 310,393.42 and 129,427.32 is: 178,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,922.52 : 310,393.42 = 129,427.32 : x
  2. Step 2: Convert to fraction form
    224,922.52/310,393.42 = 129,427.32/x
  3. Step 3: Cross multiply
    224,922.52x = 310,393.42 × 129,427.32
  4. Step 4: Simplify right side
    224,922.52x = 40,173,388,496.23
  5. Step 5: Solve for x
    x = 40,173,388,496.23/224,922.52
  6. Step 6: Final answer
    x = 178,609.90

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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.