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Finding the Fourth Proportional to 114,390.92, 171,484.88 and 43,263.81

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Solution

The fourth proportional to 114,390.92, 171,484.88 and 43,263.81 is: 64,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,390.92 : 171,484.88 = 43,263.81 : x
  2. Step 2: Convert to fraction form
    114,390.92/171,484.88 = 43,263.81/x
  3. Step 3: Cross multiply
    114,390.92x = 171,484.88 × 43,263.81
  4. Step 4: Simplify right side
    114,390.92x = 7,419,089,049.87
  5. Step 5: Solve for x
    x = 7,419,089,049.87/114,390.92
  6. Step 6: Final answer
    x = 64,857.32

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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.