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Finding the Fourth Proportional to 359,573.52, 539,220.12 and 134,811.33

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Solution

The fourth proportional to 359,573.52, 539,220.12 and 134,811.33 is: 202,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,573.52 : 539,220.12 = 134,811.33 : x
  2. Step 2: Convert to fraction form
    359,573.52/539,220.12 = 134,811.33/x
  3. Step 3: Cross multiply
    359,573.52x = 539,220.12 × 134,811.33
  4. Step 4: Simplify right side
    359,573.52x = 72,692,981,539.96
  5. Step 5: Solve for x
    x = 72,692,981,539.96/359,573.52
  6. Step 6: Final answer
    x = 202,164.45

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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.