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Finding the Fourth Proportional to 157,043.60, 235,176.60 and 125,939.60

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Solution

The fourth proportional to 157,043.60, 235,176.60 and 125,939.60 is: 188,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,043.60 : 235,176.60 = 125,939.60 : x
  2. Step 2: Convert to fraction form
    157,043.60/235,176.60 = 125,939.60/x
  3. Step 3: Cross multiply
    157,043.60x = 235,176.60 × 125,939.60
  4. Step 4: Simplify right side
    157,043.60x = 29,618,046,933.36
  5. Step 5: Solve for x
    x = 29,618,046,933.36/157,043.60
  6. Step 6: Final answer
    x = 188,597.61

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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.