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Finding the Fourth Proportional to 136,375.40, 204,563.10 and 124,565.60

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Solution

The fourth proportional to 136,375.40, 204,563.10 and 124,565.60 is: 186,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,375.40 : 204,563.10 = 124,565.60 : x
  2. Step 2: Convert to fraction form
    136,375.40/204,563.10 = 124,565.60/x
  3. Step 3: Cross multiply
    136,375.40x = 204,563.10 × 124,565.60
  4. Step 4: Simplify right side
    136,375.40x = 25,481,525,289.36
  5. Step 5: Solve for x
    x = 25,481,525,289.36/136,375.40
  6. Step 6: Final answer
    x = 186,848.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.