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Finding the Fourth Proportional to 127,168.08, 175,451.36 and 73,446

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Solution

The fourth proportional to 127,168.08, 175,451.36 and 73,446 is: 101,332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,168.08 : 175,451.36 = 73,446 : x
  2. Step 2: Convert to fraction form
    127,168.08/175,451.36 = 73,446/x
  3. Step 3: Cross multiply
    127,168.08x = 175,451.36 × 73,446
  4. Step 4: Simplify right side
    127,168.08x = 12,886,200,586.56
  5. Step 5: Solve for x
    x = 12,886,200,586.56/127,168.08
  6. Step 6: Final answer
    x = 101,332.04

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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.