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Finding the Fourth Proportional to 176,467.20, 265,219.20 and 153,657.60

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Solution

The fourth proportional to 176,467.20, 265,219.20 and 153,657.60 is: 230,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,467.20 : 265,219.20 = 153,657.60 : x
  2. Step 2: Convert to fraction form
    176,467.20/265,219.20 = 153,657.60/x
  3. Step 3: Cross multiply
    176,467.20x = 265,219.20 × 153,657.60
  4. Step 4: Simplify right side
    176,467.20x = 40,752,945,745.92
  5. Step 5: Solve for x
    x = 40,752,945,745.92/176,467.20
  6. Step 6: Final answer
    x = 230,937.79

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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.