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Finding the Fourth Proportional to 359,379.99, 539,118.59 and 122,659.11

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Solution

The fourth proportional to 359,379.99, 539,118.59 and 122,659.11 is: 184,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,379.99 : 539,118.59 = 122,659.11 : x
  2. Step 2: Convert to fraction form
    359,379.99/539,118.59 = 122,659.11/x
  3. Step 3: Cross multiply
    359,379.99x = 539,118.59 × 122,659.11
  4. Step 4: Simplify right side
    359,379.99x = 66,127,805,820.56
  5. Step 5: Solve for x
    x = 66,127,805,820.56/359,379.99
  6. Step 6: Final answer
    x = 184,005.25

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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.