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Finding the Fourth Proportional to 350,134.65, 525,270.78 and 125,434.53

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Solution

The fourth proportional to 350,134.65, 525,270.78 and 125,434.53 is: 188,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,134.65 : 525,270.78 = 125,434.53 : x
  2. Step 2: Convert to fraction form
    350,134.65/525,270.78 = 125,434.53/x
  3. Step 3: Cross multiply
    350,134.65x = 525,270.78 × 125,434.53
  4. Step 4: Simplify right side
    350,134.65x = 65,887,093,412.03
  5. Step 5: Solve for x
    x = 65,887,093,412.03/350,134.65
  6. Step 6: Final answer
    x = 188,176.44

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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.