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Finding the Fourth Proportional to 359,184.79, 538,757.74 and 109,866.79

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Solution

The fourth proportional to 359,184.79, 538,757.74 and 109,866.79 is: 164,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,184.79 : 538,757.74 = 109,866.79 : x
  2. Step 2: Convert to fraction form
    359,184.79/538,757.74 = 109,866.79/x
  3. Step 3: Cross multiply
    359,184.79x = 538,757.74 × 109,866.79
  4. Step 4: Simplify right side
    359,184.79x = 59,191,583,481.45
  5. Step 5: Solve for x
    x = 59,191,583,481.45/359,184.79
  6. Step 6: Final answer
    x = 164,794.24

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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.