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Finding the Fourth Proportional to 359,383.24, 539,123.46 and 122,662.36

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Solution

The fourth proportional to 359,383.24, 539,123.46 and 122,662.36 is: 184,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,383.24 : 539,123.46 = 122,662.36 : x
  2. Step 2: Convert to fraction form
    359,383.24/539,123.46 = 122,662.36/x
  3. Step 3: Cross multiply
    359,383.24x = 539,123.46 × 122,662.36
  4. Step 4: Simplify right side
    359,383.24x = 66,130,155,934.97
  5. Step 5: Solve for x
    x = 66,130,155,934.97/359,383.24
  6. Step 6: Final answer
    x = 184,010.13

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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.