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Finding the Fourth Proportional to 73,000.30, 100,725.37 and 41,949.54

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Solution

The fourth proportional to 73,000.30, 100,725.37 and 41,949.54 is: 57,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,000.30 : 100,725.37 = 41,949.54 : x
  2. Step 2: Convert to fraction form
    73,000.30/100,725.37 = 41,949.54/x
  3. Step 3: Cross multiply
    73,000.30x = 100,725.37 × 41,949.54
  4. Step 4: Simplify right side
    73,000.30x = 4,225,382,937.83
  5. Step 5: Solve for x
    x = 4,225,382,937.83/73,000.30
  6. Step 6: Final answer
    x = 57,881.72

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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.