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Finding the Fourth Proportional to 359,851.43, 539,186.36 and 123,064.94

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Solution

The fourth proportional to 359,851.43, 539,186.36 and 123,064.94 is: 184,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,851.43 : 539,186.36 = 123,064.94 : x
  2. Step 2: Convert to fraction form
    359,851.43/539,186.36 = 123,064.94/x
  3. Step 3: Cross multiply
    359,851.43x = 539,186.36 × 123,064.94
  4. Step 4: Simplify right side
    359,851.43x = 66,354,937,774.86
  5. Step 5: Solve for x
    x = 66,354,937,774.86/359,851.43
  6. Step 6: Final answer
    x = 184,395.37

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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.