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Finding the Fourth Proportional to 359,422.54, 539,133.81 and 110,072.14

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Solution

The fourth proportional to 359,422.54, 539,133.81 and 110,072.14 is: 165,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,422.54 : 539,133.81 = 110,072.14 : x
  2. Step 2: Convert to fraction form
    359,422.54/539,133.81 = 110,072.14/x
  3. Step 3: Cross multiply
    359,422.54x = 539,133.81 × 110,072.14
  4. Step 4: Simplify right side
    359,422.54x = 59,343,612,213.05
  5. Step 5: Solve for x
    x = 59,343,612,213.05/359,422.54
  6. Step 6: Final answer
    x = 165,108.21

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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.