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Finding the Fourth Proportional to 350,898.60, 525,743.10 and 163,525.80

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Solution

The fourth proportional to 350,898.60, 525,743.10 and 163,525.80 is: 245,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,898.60 : 525,743.10 = 163,525.80 : x
  2. Step 2: Convert to fraction form
    350,898.60/525,743.10 = 163,525.80/x
  3. Step 3: Cross multiply
    350,898.60x = 525,743.10 × 163,525.80
  4. Step 4: Simplify right side
    350,898.60x = 85,972,561,021.98
  5. Step 5: Solve for x
    x = 85,972,561,021.98/350,898.60
  6. Step 6: Final answer
    x = 245,006.85

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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.