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Finding the Fourth Proportional to 350,057.40, 525,086.06 and 100,739.40

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Solution

The fourth proportional to 350,057.40, 525,086.06 and 100,739.40 is: 151,109.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,057.40 : 525,086.06 = 100,739.40 : x
  2. Step 2: Convert to fraction form
    350,057.40/525,086.06 = 100,739.40/x
  3. Step 3: Cross multiply
    350,057.40x = 525,086.06 × 100,739.40
  4. Step 4: Simplify right side
    350,057.40x = 52,896,854,632.76
  5. Step 5: Solve for x
    x = 52,896,854,632.76/350,057.40
  6. Step 6: Final answer
    x = 151,109.09

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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.