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Finding the Fourth Proportional to 350,240.40, 525,200.76 and 125,514

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Solution

The fourth proportional to 350,240.40, 525,200.76 and 125,514 is: 188,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,240.40 : 525,200.76 = 125,514 : x
  2. Step 2: Convert to fraction form
    350,240.40/525,200.76 = 125,514/x
  3. Step 3: Cross multiply
    350,240.40x = 525,200.76 × 125,514
  4. Step 4: Simplify right side
    350,240.40x = 65,920,048,190.64
  5. Step 5: Solve for x
    x = 65,920,048,190.64/350,240.40
  6. Step 6: Final answer
    x = 188,213.72

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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.