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Finding the Fourth Proportional to 122,806.81, 184,210.21 and 34,060.32

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Solution

The fourth proportional to 122,806.81, 184,210.21 and 34,060.32 is: 51,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,806.81 : 184,210.21 = 34,060.32 : x
  2. Step 2: Convert to fraction form
    122,806.81/184,210.21 = 34,060.32/x
  3. Step 3: Cross multiply
    122,806.81x = 184,210.21 × 34,060.32
  4. Step 4: Simplify right side
    122,806.81x = 6,274,258,699.87
  5. Step 5: Solve for x
    x = 6,274,258,699.87/122,806.81
  6. Step 6: Final answer
    x = 51,090.48

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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.