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Finding the Fourth Proportional to 183,725.07, 275,587.80 and 72,917.07

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Solution

The fourth proportional to 183,725.07, 275,587.80 and 72,917.07 is: 109,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,725.07 : 275,587.80 = 72,917.07 : x
  2. Step 2: Convert to fraction form
    183,725.07/275,587.80 = 72,917.07/x
  3. Step 3: Cross multiply
    183,725.07x = 275,587.80 × 72,917.07
  4. Step 4: Simplify right side
    183,725.07x = 20,095,054,903.75
  5. Step 5: Solve for x
    x = 20,095,054,903.75/183,725.07
  6. Step 6: Final answer
    x = 109,375.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.