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Finding the Fourth Proportional to 359,871.22, 539,445.57 and 123,051.94

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Solution

The fourth proportional to 359,871.22, 539,445.57 and 123,051.94 is: 184,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,871.22 : 539,445.57 = 123,051.94 : x
  2. Step 2: Convert to fraction form
    359,871.22/539,445.57 = 123,051.94/x
  3. Step 3: Cross multiply
    359,871.22x = 539,445.57 × 123,051.94
  4. Step 4: Simplify right side
    359,871.22x = 66,379,823,912.91
  5. Step 5: Solve for x
    x = 66,379,823,912.91/359,871.22
  6. Step 6: Final answer
    x = 184,454.38

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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.