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Finding the Fourth Proportional to 169,486.10, 254,243.91 and 55,599.75

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Solution

The fourth proportional to 169,486.10, 254,243.91 and 55,599.75 is: 83,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,486.10 : 254,243.91 = 55,599.75 : x
  2. Step 2: Convert to fraction form
    169,486.10/254,243.91 = 55,599.75/x
  3. Step 3: Cross multiply
    169,486.10x = 254,243.91 × 55,599.75
  4. Step 4: Simplify right side
    169,486.10x = 14,135,897,835.02
  5. Step 5: Solve for x
    x = 14,135,897,835.02/169,486.10
  6. Step 6: Final answer
    x = 83,404.47

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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.