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Finding the Fourth Proportional to 357,475.36, 536,286.91 and 104,764.12

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Solution

The fourth proportional to 357,475.36, 536,286.91 and 104,764.12 is: 157,167.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,475.36 : 536,286.91 = 104,764.12 : x
  2. Step 2: Convert to fraction form
    357,475.36/536,286.91 = 104,764.12/x
  3. Step 3: Cross multiply
    357,475.36x = 536,286.91 × 104,764.12
  4. Step 4: Simplify right side
    357,475.36x = 56,183,626,193.67
  5. Step 5: Solve for x
    x = 56,183,626,193.67/357,475.36
  6. Step 6: Final answer
    x = 157,167.83

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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.