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Finding the Fourth Proportional to 127,592.56, 176,117 and 82,270.64

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Solution

The fourth proportional to 127,592.56, 176,117 and 82,270.64 is: 113,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,592.56 : 176,117 = 82,270.64 : x
  2. Step 2: Convert to fraction form
    127,592.56/176,117 = 82,270.64/x
  3. Step 3: Cross multiply
    127,592.56x = 176,117 × 82,270.64
  4. Step 4: Simplify right side
    127,592.56x = 14,489,258,304.88
  5. Step 5: Solve for x
    x = 14,489,258,304.88/127,592.56
  6. Step 6: Final answer
    x = 113,558.80

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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.