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Finding the Fourth Proportional to 359,759.05, 539,544.53 and 106,971.46

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Solution

The fourth proportional to 359,759.05, 539,544.53 and 106,971.46 is: 160,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,759.05 : 539,544.53 = 106,971.46 : x
  2. Step 2: Convert to fraction form
    359,759.05/539,544.53 = 106,971.46/x
  3. Step 3: Cross multiply
    359,759.05x = 539,544.53 × 106,971.46
  4. Step 4: Simplify right side
    359,759.05x = 57,715,865,027.68
  5. Step 5: Solve for x
    x = 57,715,865,027.68/359,759.05
  6. Step 6: Final answer
    x = 160,429.22

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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.