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Finding the Fourth Proportional to 166,459, 229,713.44 and 91,007.52

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Solution

The fourth proportional to 166,459, 229,713.44 and 91,007.52 is: 125,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,459 : 229,713.44 = 91,007.52 : x
  2. Step 2: Convert to fraction form
    166,459/229,713.44 = 91,007.52/x
  3. Step 3: Cross multiply
    166,459x = 229,713.44 × 91,007.52
  4. Step 4: Simplify right side
    166,459x = 20,905,650,485.07
  5. Step 5: Solve for x
    x = 20,905,650,485.07/166,459
  6. Step 6: Final answer
    x = 125,590.39

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1.5x scale

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.