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Finding the Fourth Proportional to 127,610.88, 176,113.18 and 73,896.84

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Solution

The fourth proportional to 127,610.88, 176,113.18 and 73,896.84 is: 101,983.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,610.88 : 176,113.18 = 73,896.84 : x
  2. Step 2: Convert to fraction form
    127,610.88/176,113.18 = 73,896.84/x
  3. Step 3: Cross multiply
    127,610.88x = 176,113.18 × 73,896.84
  4. Step 4: Simplify right side
    127,610.88x = 13,014,207,484.35
  5. Step 5: Solve for x
    x = 13,014,207,484.35/127,610.88
  6. Step 6: Final answer
    x = 101,983.53

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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.