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Finding the Fourth Proportional to 359,429.35, 539,051.73 and 106,650.05

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Solution

The fourth proportional to 359,429.35, 539,051.73 and 106,650.05 is: 159,947.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,429.35 : 539,051.73 = 106,650.05 : x
  2. Step 2: Convert to fraction form
    359,429.35/539,051.73 = 106,650.05/x
  3. Step 3: Cross multiply
    359,429.35x = 539,051.73 × 106,650.05
  4. Step 4: Simplify right side
    359,429.35x = 57,489,893,957.09
  5. Step 5: Solve for x
    x = 57,489,893,957.09/359,429.35
  6. Step 6: Final answer
    x = 159,947.69

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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.