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Finding the Fourth Proportional to 350,028.43, 525,151.59 and 125,390.80

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Solution

The fourth proportional to 350,028.43, 525,151.59 and 125,390.80 is: 188,125.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,028.43 : 525,151.59 = 125,390.80 : x
  2. Step 2: Convert to fraction form
    350,028.43/525,151.59 = 125,390.80/x
  3. Step 3: Cross multiply
    350,028.43x = 525,151.59 × 125,390.80
  4. Step 4: Simplify right side
    350,028.43x = 65,849,177,991.37
  5. Step 5: Solve for x
    x = 65,849,177,991.37/350,028.43
  6. Step 6: Final answer
    x = 188,125.23

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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.