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Finding the Fourth Proportional to 119,553.76, 179,372.16 and 53,040.60

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Solution

The fourth proportional to 119,553.76, 179,372.16 and 53,040.60 is: 79,579.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,553.76 : 179,372.16 = 53,040.60 : x
  2. Step 2: Convert to fraction form
    119,553.76/179,372.16 = 53,040.60/x
  3. Step 3: Cross multiply
    119,553.76x = 179,372.16 × 53,040.60
  4. Step 4: Simplify right side
    119,553.76x = 9,514,005,827.63
  5. Step 5: Solve for x
    x = 9,514,005,827.63/119,553.76
  6. Step 6: Final answer
    x = 79,579.31

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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.