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Finding the Fourth Proportional to 122,676.39, 184,014.57 and 39,570.39

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Solution

The fourth proportional to 122,676.39, 184,014.57 and 39,570.39 is: 59,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,676.39 : 184,014.57 = 39,570.39 : x
  2. Step 2: Convert to fraction form
    122,676.39/184,014.57 = 39,570.39/x
  3. Step 3: Cross multiply
    122,676.39x = 184,014.57 × 39,570.39
  4. Step 4: Simplify right side
    122,676.39x = 7,281,528,300.58
  5. Step 5: Solve for x
    x = 7,281,528,300.58/122,676.39
  6. Step 6: Final answer
    x = 59,355.58

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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.