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Finding the Fourth Proportional to 336,098.60, 504,002.10 and 111,372.20

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Solution

The fourth proportional to 336,098.60, 504,002.10 and 111,372.20 is: 167,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,098.60 : 504,002.10 = 111,372.20 : x
  2. Step 2: Convert to fraction form
    336,098.60/504,002.10 = 111,372.20/x
  3. Step 3: Cross multiply
    336,098.60x = 504,002.10 × 111,372.20
  4. Step 4: Simplify right side
    336,098.60x = 56,131,822,681.62
  5. Step 5: Solve for x
    x = 56,131,822,681.62/336,098.60
  6. Step 6: Final answer
    x = 167,009.99

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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.