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Finding the Fourth Proportional to 122,913.96, 184,428.32 and 63,717.34

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Solution

The fourth proportional to 122,913.96, 184,428.32 and 63,717.34 is: 95,605.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,913.96 : 184,428.32 = 63,717.34 : x
  2. Step 2: Convert to fraction form
    122,913.96/184,428.32 = 63,717.34/x
  3. Step 3: Cross multiply
    122,913.96x = 184,428.32 × 63,717.34
  4. Step 4: Simplify right side
    122,913.96x = 11,751,281,971.07
  5. Step 5: Solve for x
    x = 11,751,281,971.07/122,913.96
  6. Step 6: Final answer
    x = 95,605.76

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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.