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Finding the Fourth Proportional to 127,529.94, 175,992.80 and 73,081.04

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Solution

The fourth proportional to 127,529.94, 175,992.80 and 73,081.04 is: 100,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,529.94 : 175,992.80 = 73,081.04 : x
  2. Step 2: Convert to fraction form
    127,529.94/175,992.80 = 73,081.04/x
  3. Step 3: Cross multiply
    127,529.94x = 175,992.80 × 73,081.04
  4. Step 4: Simplify right side
    127,529.94x = 12,861,736,330.53
  5. Step 5: Solve for x
    x = 12,861,736,330.53/127,529.94
  6. Step 6: Final answer
    x = 100,852.68

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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.