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Finding the Fourth Proportional to 178,040.40, 266,628.60 and 94,750.80

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Solution

The fourth proportional to 178,040.40, 266,628.60 and 94,750.80 is: 141,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,040.40 : 266,628.60 = 94,750.80 : x
  2. Step 2: Convert to fraction form
    178,040.40/266,628.60 = 94,750.80/x
  3. Step 3: Cross multiply
    178,040.40x = 266,628.60 × 94,750.80
  4. Step 4: Simplify right side
    178,040.40x = 25,263,273,152.88
  5. Step 5: Solve for x
    x = 25,263,273,152.88/178,040.40
  6. Step 6: Final answer
    x = 141,896.30

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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.