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Finding the Fourth Proportional to 359,389.01, 539,148.07 and 122,676.33

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Solution

The fourth proportional to 359,389.01, 539,148.07 and 122,676.33 is: 184,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,389.01 : 539,148.07 = 122,676.33 : x
  2. Step 2: Convert to fraction form
    359,389.01/539,148.07 = 122,676.33/x
  3. Step 3: Cross multiply
    359,389.01x = 539,148.07 × 122,676.33
  4. Step 4: Simplify right side
    359,389.01x = 66,140,708,729.33
  5. Step 5: Solve for x
    x = 66,140,708,729.33/359,389.01
  6. Step 6: Final answer
    x = 184,036.54

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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.