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Finding the Fourth Proportional to 184,493.70, 276,740.55 and 105,615.90

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Solution

The fourth proportional to 184,493.70, 276,740.55 and 105,615.90 is: 158,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,493.70 : 276,740.55 = 105,615.90 : x
  2. Step 2: Convert to fraction form
    184,493.70/276,740.55 = 105,615.90/x
  3. Step 3: Cross multiply
    184,493.70x = 276,740.55 × 105,615.90
  4. Step 4: Simplify right side
    184,493.70x = 29,228,202,254.75
  5. Step 5: Solve for x
    x = 29,228,202,254.75/184,493.70
  6. Step 6: Final answer
    x = 158,423.85

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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.