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Finding the Fourth Proportional to 359,467.34, 539,108.53 and 106,687.94

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Solution

The fourth proportional to 359,467.34, 539,108.53 and 106,687.94 is: 160,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,467.34 : 539,108.53 = 106,687.94 : x
  2. Step 2: Convert to fraction form
    359,467.34/539,108.53 = 106,687.94/x
  3. Step 3: Cross multiply
    359,467.34x = 539,108.53 × 106,687.94
  4. Step 4: Simplify right side
    359,467.34x = 57,516,375,539.87
  5. Step 5: Solve for x
    x = 57,516,375,539.87/359,467.34
  6. Step 6: Final answer
    x = 160,004.46

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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.