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Finding the Fourth Proportional to 359,556.51, 539,194.56 and 134,794.42

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Solution

The fourth proportional to 359,556.51, 539,194.56 and 134,794.42 is: 202,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,556.51 : 539,194.56 = 134,794.42 : x
  2. Step 2: Convert to fraction form
    359,556.51/539,194.56 = 134,794.42/x
  3. Step 3: Cross multiply
    359,556.51x = 539,194.56 × 134,794.42
  4. Step 4: Simplify right side
    359,556.51x = 72,680,417,982.36
  5. Step 5: Solve for x
    x = 72,680,417,982.36/359,556.51
  6. Step 6: Final answer
    x = 202,139.07

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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.