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Finding the Fourth Proportional to 166,478.60, 229,741.35 and 91,027.10

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Solution

The fourth proportional to 166,478.60, 229,741.35 and 91,027.10 is: 125,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,478.60 : 229,741.35 = 91,027.10 : x
  2. Step 2: Convert to fraction form
    166,478.60/229,741.35 = 91,027.10/x
  3. Step 3: Cross multiply
    166,478.60x = 229,741.35 × 91,027.10
  4. Step 4: Simplify right side
    166,478.60x = 20,912,688,840.59
  5. Step 5: Solve for x
    x = 20,912,688,840.59/166,478.60
  6. Step 6: Final answer
    x = 125,617.88

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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.