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Finding the Fourth Proportional to 176,490.60, 264,845.34 and 71,310.48

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Solution

The fourth proportional to 176,490.60, 264,845.34 and 71,310.48 is: 107,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,490.60 : 264,845.34 = 71,310.48 : x
  2. Step 2: Convert to fraction form
    176,490.60/264,845.34 = 71,310.48/x
  3. Step 3: Cross multiply
    176,490.60x = 264,845.34 × 71,310.48
  4. Step 4: Simplify right side
    176,490.60x = 18,886,248,321.16
  5. Step 5: Solve for x
    x = 18,886,248,321.16/176,490.60
  6. Step 6: Final answer
    x = 107,009.94

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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.