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Finding the Fourth Proportional to 176,271.60, 264,310.20 and 70,971.60

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Solution

The fourth proportional to 176,271.60, 264,310.20 and 70,971.60 is: 106,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,271.60 : 264,310.20 = 70,971.60 : x
  2. Step 2: Convert to fraction form
    176,271.60/264,310.20 = 70,971.60/x
  3. Step 3: Cross multiply
    176,271.60x = 264,310.20 × 70,971.60
  4. Step 4: Simplify right side
    176,271.60x = 18,758,517,790.32
  5. Step 5: Solve for x
    x = 18,758,517,790.32/176,271.60
  6. Step 6: Final answer
    x = 106,418.26

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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.