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Finding the Fourth Proportional to 163,074.06, 225,052.02 and 91,458.32

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Solution

The fourth proportional to 163,074.06, 225,052.02 and 91,458.32 is: 126,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,074.06 : 225,052.02 = 91,458.32 : x
  2. Step 2: Convert to fraction form
    163,074.06/225,052.02 = 91,458.32/x
  3. Step 3: Cross multiply
    163,074.06x = 225,052.02 × 91,458.32
  4. Step 4: Simplify right side
    163,074.06x = 20,582,878,536.55
  5. Step 5: Solve for x
    x = 20,582,878,536.55/163,074.06
  6. Step 6: Final answer
    x = 126,217.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.