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Finding the Fourth Proportional to 359,263.62, 538,950.78 and 122,551.11

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Solution

The fourth proportional to 359,263.62, 538,950.78 and 122,551.11 is: 183,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,263.62 : 538,950.78 = 122,551.11 : x
  2. Step 2: Convert to fraction form
    359,263.62/538,950.78 = 122,551.11/x
  3. Step 3: Cross multiply
    359,263.62x = 538,950.78 × 122,551.11
  4. Step 4: Simplify right side
    359,263.62x = 66,049,016,324.37
  5. Step 5: Solve for x
    x = 66,049,016,324.37/359,263.62
  6. Step 6: Final answer
    x = 183,845.55

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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.