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Finding the Fourth Proportional to 359,297.01, 538,853.54 and 106,518.38

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Solution

The fourth proportional to 359,297.01, 538,853.54 and 106,518.38 is: 159,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,297.01 : 538,853.54 = 106,518.38 : x
  2. Step 2: Convert to fraction form
    359,297.01/538,853.54 = 106,518.38/x
  3. Step 3: Cross multiply
    359,297.01x = 538,853.54 × 106,518.38
  4. Step 4: Simplify right side
    359,297.01x = 57,397,802,911.21
  5. Step 5: Solve for x
    x = 57,397,802,911.21/359,297.01
  6. Step 6: Final answer
    x = 159,750.29

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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.