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Finding the Fourth Proportional to 359,436.22, 539,062.04 and 106,656.94

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Solution

The fourth proportional to 359,436.22, 539,062.04 and 106,656.94 is: 159,958.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,436.22 : 539,062.04 = 106,656.94 : x
  2. Step 2: Convert to fraction form
    359,436.22/539,062.04 = 106,656.94/x
  3. Step 3: Cross multiply
    359,436.22x = 539,062.04 × 106,656.94
  4. Step 4: Simplify right side
    359,436.22x = 57,494,707,656.56
  5. Step 5: Solve for x
    x = 57,494,707,656.56/359,436.22
  6. Step 6: Final answer
    x = 159,958.02

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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.