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Finding the Fourth Proportional to 336,032.84, 504,147.72 and 99,381.80

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Solution

The fourth proportional to 336,032.84, 504,147.72 and 99,381.80 is: 149,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,032.84 : 504,147.72 = 99,381.80 : x
  2. Step 2: Convert to fraction form
    336,032.84/504,147.72 = 99,381.80/x
  3. Step 3: Cross multiply
    336,032.84x = 504,147.72 × 99,381.80
  4. Step 4: Simplify right side
    336,032.84x = 50,103,107,879.50
  5. Step 5: Solve for x
    x = 50,103,107,879.50/336,032.84
  6. Step 6: Final answer
    x = 149,101.82

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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.