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Finding the Fourth Proportional to 359,383.37, 539,123.65 and 122,662.49

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Solution

The fourth proportional to 359,383.37, 539,123.65 and 122,662.49 is: 184,010.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,383.37 : 539,123.65 = 122,662.49 : x
  2. Step 2: Convert to fraction form
    359,383.37/539,123.65 = 122,662.49/x
  3. Step 3: Cross multiply
    359,383.37x = 539,123.65 × 122,662.49
  4. Step 4: Simplify right side
    359,383.37x = 66,130,246,324.61
  5. Step 5: Solve for x
    x = 66,130,246,324.61/359,383.37
  6. Step 6: Final answer
    x = 184,010.32

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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.