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Finding the Fourth Proportional to 166,526, 229,806.06 and 91,074.68

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Solution

The fourth proportional to 166,526, 229,806.06 and 91,074.68 is: 125,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,526 : 229,806.06 = 91,074.68 : x
  2. Step 2: Convert to fraction form
    166,526/229,806.06 = 91,074.68/x
  3. Step 3: Cross multiply
    166,526x = 229,806.06 × 91,074.68
  4. Step 4: Simplify right side
    166,526x = 20,929,513,376.56
  5. Step 5: Solve for x
    x = 20,929,513,376.56/166,526
  6. Step 6: Final answer
    x = 125,683.16

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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.