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Finding the Fourth Proportional to 359,689.82, 539,417.92 and 119,739.26

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Solution

The fourth proportional to 359,689.82, 539,417.92 and 119,739.26 is: 179,570.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,689.82 : 539,417.92 = 119,739.26 : x
  2. Step 2: Convert to fraction form
    359,689.82/539,417.92 = 119,739.26/x
  3. Step 3: Cross multiply
    359,689.82x = 539,417.92 × 119,739.26
  4. Step 4: Simplify right side
    359,689.82x = 64,589,502,571.54
  5. Step 5: Solve for x
    x = 64,589,502,571.54/359,689.82
  6. Step 6: Final answer
    x = 179,570.00

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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.