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Finding the Fourth Proportional to 350,665.40, 525,998.10 and 114,015.80

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Solution

The fourth proportional to 350,665.40, 525,998.10 and 114,015.80 is: 171,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,665.40 : 525,998.10 = 114,015.80 : x
  2. Step 2: Convert to fraction form
    350,665.40/525,998.10 = 114,015.80/x
  3. Step 3: Cross multiply
    350,665.40x = 525,998.10 × 114,015.80
  4. Step 4: Simplify right side
    350,665.40x = 59,972,094,169.98
  5. Step 5: Solve for x
    x = 59,972,094,169.98/350,665.40
  6. Step 6: Final answer
    x = 171,023.70

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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.