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Finding the Fourth Proportional to 121,453.45, 167,606.04 and 67,741.93

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Solution

The fourth proportional to 121,453.45, 167,606.04 and 67,741.93 is: 93,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,453.45 : 167,606.04 = 67,741.93 : x
  2. Step 2: Convert to fraction form
    121,453.45/167,606.04 = 67,741.93/x
  3. Step 3: Cross multiply
    121,453.45x = 167,606.04 × 67,741.93
  4. Step 4: Simplify right side
    121,453.45x = 11,353,956,124.97
  5. Step 5: Solve for x
    x = 11,353,956,124.97/121,453.45
  6. Step 6: Final answer
    x = 93,484.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.