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Finding the Fourth Proportional to 357,346.69, 536,020.03 and 108,028.69

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Solution

The fourth proportional to 357,346.69, 536,020.03 and 108,028.69 is: 162,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,346.69 : 536,020.03 = 108,028.69 : x
  2. Step 2: Convert to fraction form
    357,346.69/536,020.03 = 108,028.69/x
  3. Step 3: Cross multiply
    357,346.69x = 536,020.03 × 108,028.69
  4. Step 4: Simplify right side
    357,346.69x = 57,905,540,449.65
  5. Step 5: Solve for x
    x = 57,905,540,449.65/357,346.69
  6. Step 6: Final answer
    x = 162,043.03

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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.