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Finding the Fourth Proportional to 333,286.16, 499,981.08 and 108,594.32

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Solution

The fourth proportional to 333,286.16, 499,981.08 and 108,594.32 is: 162,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,286.16 : 499,981.08 = 108,594.32 : x
  2. Step 2: Convert to fraction form
    333,286.16/499,981.08 = 108,594.32/x
  3. Step 3: Cross multiply
    333,286.16x = 499,981.08 × 108,594.32
  4. Step 4: Simplify right side
    333,286.16x = 54,295,105,395.47
  5. Step 5: Solve for x
    x = 54,295,105,395.47/333,286.16
  6. Step 6: Final answer
    x = 162,908.37

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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.