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Finding the Fourth Proportional to 163,076.70, 244,615.05 and 113,310.30

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Solution

The fourth proportional to 163,076.70, 244,615.05 and 113,310.30 is: 169,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,076.70 : 244,615.05 = 113,310.30 : x
  2. Step 2: Convert to fraction form
    163,076.70/244,615.05 = 113,310.30/x
  3. Step 3: Cross multiply
    163,076.70x = 244,615.05 × 113,310.30
  4. Step 4: Simplify right side
    163,076.70x = 27,717,404,700.02
  5. Step 5: Solve for x
    x = 27,717,404,700.02/163,076.70
  6. Step 6: Final answer
    x = 169,965.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.