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Finding the Fourth Proportional to 163,016.46, 224,962.11 and 91,396.44

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Solution

The fourth proportional to 163,016.46, 224,962.11 and 91,396.44 is: 126,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,016.46 : 224,962.11 = 91,396.44 : x
  2. Step 2: Convert to fraction form
    163,016.46/224,962.11 = 91,396.44/x
  3. Step 3: Cross multiply
    163,016.46x = 224,962.11 × 91,396.44
  4. Step 4: Simplify right side
    163,016.46x = 20,560,735,988.89
  5. Step 5: Solve for x
    x = 20,560,735,988.89/163,016.46
  6. Step 6: Final answer
    x = 126,126.75

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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.