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Finding the Fourth Proportional to 127,692.93, 176,060.11 and 79,863.24

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Solution

The fourth proportional to 127,692.93, 176,060.11 and 79,863.24 is: 110,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692.93 : 176,060.11 = 79,863.24 : x
  2. Step 2: Convert to fraction form
    127,692.93/176,060.11 = 79,863.24/x
  3. Step 3: Cross multiply
    127,692.93x = 176,060.11 × 79,863.24
  4. Step 4: Simplify right side
    127,692.93x = 14,060,730,819.36
  5. Step 5: Solve for x
    x = 14,060,730,819.36/127,692.93
  6. Step 6: Final answer
    x = 110,113.62

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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.