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Finding the Fourth Proportional to 150,124.69, 225,059.85 and 65,820.96

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Solution

The fourth proportional to 150,124.69, 225,059.85 and 65,820.96 is: 98,675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,124.69 : 225,059.85 = 65,820.96 : x
  2. Step 2: Convert to fraction form
    150,124.69/225,059.85 = 65,820.96/x
  3. Step 3: Cross multiply
    150,124.69x = 225,059.85 × 65,820.96
  4. Step 4: Simplify right side
    150,124.69x = 14,813,655,384.46
  5. Step 5: Solve for x
    x = 14,813,655,384.46/150,124.69
  6. Step 6: Final answer
    x = 98,675.68

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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.