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Finding the Fourth Proportional to 127,960.88, 176,586.63 and 70,600.20

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Solution

The fourth proportional to 127,960.88, 176,586.63 and 70,600.20 is: 97,428.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,960.88 : 176,586.63 = 70,600.20 : x
  2. Step 2: Convert to fraction form
    127,960.88/176,586.63 = 70,600.20/x
  3. Step 3: Cross multiply
    127,960.88x = 176,586.63 × 70,600.20
  4. Step 4: Simplify right side
    127,960.88x = 12,467,051,042.33
  5. Step 5: Solve for x
    x = 12,467,051,042.33/127,960.88
  6. Step 6: Final answer
    x = 97,428.61

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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.