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Finding the Fourth Proportional to 173,356.40, 259,458.60 and 125,836.40

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Solution

The fourth proportional to 173,356.40, 259,458.60 and 125,836.40 is: 188,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,356.40 : 259,458.60 = 125,836.40 : x
  2. Step 2: Convert to fraction form
    173,356.40/259,458.60 = 125,836.40/x
  3. Step 3: Cross multiply
    173,356.40x = 259,458.60 × 125,836.40
  4. Step 4: Simplify right side
    173,356.40x = 32,649,336,173.04
  5. Step 5: Solve for x
    x = 32,649,336,173.04/173,356.40
  6. Step 6: Final answer
    x = 188,336.49

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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.