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Finding the Fourth Proportional to 359,686.82, 539,413.41 and 119,736.26

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Solution

The fourth proportional to 359,686.82, 539,413.41 and 119,736.26 is: 179,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,686.82 : 539,413.41 = 119,736.26 : x
  2. Step 2: Convert to fraction form
    359,686.82/539,413.41 = 119,736.26/x
  3. Step 3: Cross multiply
    359,686.82x = 539,413.41 × 119,736.26
  4. Step 4: Simplify right side
    359,686.82x = 64,587,347,116.19
  5. Step 5: Solve for x
    x = 64,587,347,116.19/359,686.82
  6. Step 6: Final answer
    x = 179,565.51

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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.