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Finding the Fourth Proportional to 357,960.96, 536,794.56 and 133,336.32

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Solution

The fourth proportional to 357,960.96, 536,794.56 and 133,336.32 is: 199,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,960.96 : 536,794.56 = 133,336.32 : x
  2. Step 2: Convert to fraction form
    357,960.96/536,794.56 = 133,336.32/x
  3. Step 3: Cross multiply
    357,960.96x = 536,794.56 × 133,336.32
  4. Step 4: Simplify right side
    357,960.96x = 71,574,211,226.42
  5. Step 5: Solve for x
    x = 71,574,211,226.42/357,960.96
  6. Step 6: Final answer
    x = 199,949.77

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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.