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Finding the Fourth Proportional to 127,604.70, 176,092.77 and 71,016.06

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Solution

The fourth proportional to 127,604.70, 176,092.77 and 71,016.06 is: 98,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,604.70 : 176,092.77 = 71,016.06 : x
  2. Step 2: Convert to fraction form
    127,604.70/176,092.77 = 71,016.06/x
  3. Step 3: Cross multiply
    127,604.70x = 176,092.77 × 71,016.06
  4. Step 4: Simplify right side
    127,604.70x = 12,505,414,719.89
  5. Step 5: Solve for x
    x = 12,505,414,719.89/127,604.70
  6. Step 6: Final answer
    x = 98,001.21

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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.