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Finding the Fourth Proportional to 354,801.53, 531,740.23 and 144,193.25

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Solution

The fourth proportional to 354,801.53, 531,740.23 and 144,193.25 is: 216,102.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,801.53 : 531,740.23 = 144,193.25 : x
  2. Step 2: Convert to fraction form
    354,801.53/531,740.23 = 144,193.25/x
  3. Step 3: Cross multiply
    354,801.53x = 531,740.23 × 144,193.25
  4. Step 4: Simplify right side
    354,801.53x = 76,673,351,919.45
  5. Step 5: Solve for x
    x = 76,673,351,919.45/354,801.53
  6. Step 6: Final answer
    x = 216,102.09

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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.