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Finding the Fourth Proportional to 151,738.40, 227,607.60 and 39,409.40

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Solution

The fourth proportional to 151,738.40, 227,607.60 and 39,409.40 is: 59,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,738.40 : 227,607.60 = 39,409.40 : x
  2. Step 2: Convert to fraction form
    151,738.40/227,607.60 = 39,409.40/x
  3. Step 3: Cross multiply
    151,738.40x = 227,607.60 × 39,409.40
  4. Step 4: Simplify right side
    151,738.40x = 8,969,878,951.44
  5. Step 5: Solve for x
    x = 8,969,878,951.44/151,738.40
  6. Step 6: Final answer
    x = 59,114.10

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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.