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Finding the Fourth Proportional to 150,124.37, 225,059.38 and 65,820.65

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Solution

The fourth proportional to 150,124.37, 225,059.38 and 65,820.65 is: 98,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,124.37 : 225,059.38 = 65,820.65 : x
  2. Step 2: Convert to fraction form
    150,124.37/225,059.38 = 65,820.65/x
  3. Step 3: Cross multiply
    150,124.37x = 225,059.38 × 65,820.65
  4. Step 4: Simplify right side
    150,124.37x = 14,813,553,390.35
  5. Step 5: Solve for x
    x = 14,813,553,390.35/150,124.37
  6. Step 6: Final answer
    x = 98,675.21

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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.