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Finding the Fourth Proportional to 169,341.92, 254,046.36 and 57,017.60

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Solution

The fourth proportional to 169,341.92, 254,046.36 and 57,017.60 is: 85,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,341.92 : 254,046.36 = 57,017.60 : x
  2. Step 2: Convert to fraction form
    169,341.92/254,046.36 = 57,017.60/x
  3. Step 3: Cross multiply
    169,341.92x = 254,046.36 × 57,017.60
  4. Step 4: Simplify right side
    169,341.92x = 14,485,113,735.94
  5. Step 5: Solve for x
    x = 14,485,113,735.94/169,341.92
  6. Step 6: Final answer
    x = 85,537.67

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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.