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Finding the Fourth Proportional to 176,751.40, 265,029.90 and 76,894.60

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Solution

The fourth proportional to 176,751.40, 265,029.90 and 76,894.60 is: 115,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,751.40 : 265,029.90 = 76,894.60 : x
  2. Step 2: Convert to fraction form
    176,751.40/265,029.90 = 76,894.60/x
  3. Step 3: Cross multiply
    176,751.40x = 265,029.90 × 76,894.60
  4. Step 4: Simplify right side
    176,751.40x = 20,379,368,148.54
  5. Step 5: Solve for x
    x = 20,379,368,148.54/176,751.40
  6. Step 6: Final answer
    x = 115,299.61

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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.