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Finding the Fourth Proportional to 359,556.50, 539,194.56 and 134,794.43

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Solution

The fourth proportional to 359,556.50, 539,194.56 and 134,794.43 is: 202,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,556.50 : 539,194.56 = 134,794.43 : x
  2. Step 2: Convert to fraction form
    359,556.50/539,194.56 = 134,794.43/x
  3. Step 3: Cross multiply
    359,556.50x = 539,194.56 × 134,794.43
  4. Step 4: Simplify right side
    359,556.50x = 72,680,422,194.83
  5. Step 5: Solve for x
    x = 72,680,422,194.83/359,556.50
  6. Step 6: Final answer
    x = 202,139.08

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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.