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Finding the Fourth Proportional to 350,033.20, 525,049.80 and 100,715.20

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Solution

The fourth proportional to 350,033.20, 525,049.80 and 100,715.20 is: 151,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,033.20 : 525,049.80 = 100,715.20 : x
  2. Step 2: Convert to fraction form
    350,033.20/525,049.80 = 100,715.20/x
  3. Step 3: Cross multiply
    350,033.20x = 525,049.80 × 100,715.20
  4. Step 4: Simplify right side
    350,033.20x = 52,880,495,616.96
  5. Step 5: Solve for x
    x = 52,880,495,616.96/350,033.20
  6. Step 6: Final answer
    x = 151,072.80

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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.