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Finding the Fourth Proportional to 166,597.60, 229,904.40 and 91,145.92

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Solution

The fourth proportional to 166,597.60, 229,904.40 and 91,145.92 is: 125,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,597.60 : 229,904.40 = 91,145.92 : x
  2. Step 2: Convert to fraction form
    166,597.60/229,904.40 = 91,145.92/x
  3. Step 3: Cross multiply
    166,597.60x = 229,904.40 × 91,145.92
  4. Step 4: Simplify right side
    166,597.60x = 20,954,848,050.05
  5. Step 5: Solve for x
    x = 20,954,848,050.05/166,597.60
  6. Step 6: Final answer
    x = 125,781.21

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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.