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Finding the Fourth Proportional to 359,763.25, 539,550.81 and 106,975.66

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Solution

The fourth proportional to 359,763.25, 539,550.81 and 106,975.66 is: 160,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,763.25 : 539,550.81 = 106,975.66 : x
  2. Step 2: Convert to fraction form
    359,763.25/539,550.81 = 106,975.66/x
  3. Step 3: Cross multiply
    359,763.25x = 539,550.81 × 106,975.66
  4. Step 4: Simplify right side
    359,763.25x = 57,718,804,003.28
  5. Step 5: Solve for x
    x = 57,718,804,003.28/359,763.25
  6. Step 6: Final answer
    x = 160,435.52

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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.