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Finding the Fourth Proportional to 176,004.40, 264,006.60 and 87,271.60

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Solution

The fourth proportional to 176,004.40, 264,006.60 and 87,271.60 is: 130,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,004.40 : 264,006.60 = 87,271.60 : x
  2. Step 2: Convert to fraction form
    176,004.40/264,006.60 = 87,271.60/x
  3. Step 3: Cross multiply
    176,004.40x = 264,006.60 × 87,271.60
  4. Step 4: Simplify right side
    176,004.40x = 23,040,278,392.56
  5. Step 5: Solve for x
    x = 23,040,278,392.56/176,004.40
  6. Step 6: Final answer
    x = 130,907.40

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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.