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Finding the Fourth Proportional to 122,899.96, 184,407.66 and 63,703.48

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Solution

The fourth proportional to 122,899.96, 184,407.66 and 63,703.48 is: 95,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,899.96 : 184,407.66 = 63,703.48 : x
  2. Step 2: Convert to fraction form
    122,899.96/184,407.66 = 63,703.48/x
  3. Step 3: Cross multiply
    122,899.96x = 184,407.66 × 63,703.48
  4. Step 4: Simplify right side
    122,899.96x = 11,747,409,680.66
  5. Step 5: Solve for x
    x = 11,747,409,680.66/122,899.96
  6. Step 6: Final answer
    x = 95,585.14

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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.