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Finding the Fourth Proportional to 167,322.60, 230,905.53 and 90,841.79

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Solution

The fourth proportional to 167,322.60, 230,905.53 and 90,841.79 is: 125,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,322.60 : 230,905.53 = 90,841.79 : x
  2. Step 2: Convert to fraction form
    167,322.60/230,905.53 = 90,841.79/x
  3. Step 3: Cross multiply
    167,322.60x = 230,905.53 × 90,841.79
  4. Step 4: Simplify right side
    167,322.60x = 20,975,870,511.57
  5. Step 5: Solve for x
    x = 20,975,870,511.57/167,322.60
  6. Step 6: Final answer
    x = 125,361.85

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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.