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Finding the Fourth Proportional to 300,729.76, 451,101.96 and 101,053.04

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Solution

The fourth proportional to 300,729.76, 451,101.96 and 101,053.04 is: 151,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,729.76 : 451,101.96 = 101,053.04 : x
  2. Step 2: Convert to fraction form
    300,729.76/451,101.96 = 101,053.04/x
  3. Step 3: Cross multiply
    300,729.76x = 451,101.96 × 101,053.04
  4. Step 4: Simplify right side
    300,729.76x = 45,585,224,407.96
  5. Step 5: Solve for x
    x = 45,585,224,407.96/300,729.76
  6. Step 6: Final answer
    x = 151,582.02

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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.