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Finding the Fourth Proportional to 127,011.75, 175,274.76 and 73,295.61

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Solution

The fourth proportional to 127,011.75, 175,274.76 and 73,295.61 is: 101,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,011.75 : 175,274.76 = 73,295.61 : x
  2. Step 2: Convert to fraction form
    127,011.75/175,274.76 = 73,295.61/x
  3. Step 3: Cross multiply
    127,011.75x = 175,274.76 × 73,295.61
  4. Step 4: Simplify right side
    127,011.75x = 12,846,870,451.80
  5. Step 5: Solve for x
    x = 12,846,870,451.80/127,011.75
  6. Step 6: Final answer
    x = 101,147.10

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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.