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Finding the Fourth Proportional to 72,351.39, 99,835.44 and 41,725.63

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Solution

The fourth proportional to 72,351.39, 99,835.44 and 41,725.63 is: 57,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,351.39 : 99,835.44 = 41,725.63 : x
  2. Step 2: Convert to fraction form
    72,351.39/99,835.44 = 41,725.63/x
  3. Step 3: Cross multiply
    72,351.39x = 99,835.44 × 41,725.63
  4. Step 4: Simplify right side
    72,351.39x = 4,165,696,598.65
  5. Step 5: Solve for x
    x = 4,165,696,598.65/72,351.39
  6. Step 6: Final answer
    x = 57,575.90

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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.