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Finding the Fourth Proportional to 359,423.04, 539,134.56 and 110,072.64

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Solution

The fourth proportional to 359,423.04, 539,134.56 and 110,072.64 is: 165,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,423.04 : 539,134.56 = 110,072.64 : x
  2. Step 2: Convert to fraction form
    359,423.04/539,134.56 = 110,072.64/x
  3. Step 3: Cross multiply
    359,423.04x = 539,134.56 × 110,072.64
  4. Step 4: Simplify right side
    359,423.04x = 59,343,964,334.44
  5. Step 5: Solve for x
    x = 59,343,964,334.44/359,423.04
  6. Step 6: Final answer
    x = 165,108.96

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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.