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Finding the Fourth Proportional to 300,737.14, 451,206.42 and 98,342.58

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Solution

The fourth proportional to 300,737.14, 451,206.42 and 98,342.58 is: 147,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,737.14 : 451,206.42 = 98,342.58 : x
  2. Step 2: Convert to fraction form
    300,737.14/451,206.42 = 98,342.58/x
  3. Step 3: Cross multiply
    300,737.14x = 451,206.42 × 98,342.58
  4. Step 4: Simplify right side
    300,737.14x = 44,372,803,455.36
  5. Step 5: Solve for x
    x = 44,372,803,455.36/300,737.14
  6. Step 6: Final answer
    x = 147,546.80

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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.