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Finding the Fourth Proportional to 302,783.61, 454,160.31 and 113,230.04

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Solution

The fourth proportional to 302,783.61, 454,160.31 and 113,230.04 is: 169,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,783.61 : 454,160.31 = 113,230.04 : x
  2. Step 2: Convert to fraction form
    302,783.61/454,160.31 = 113,230.04/x
  3. Step 3: Cross multiply
    302,783.61x = 454,160.31 × 113,230.04
  4. Step 4: Simplify right side
    302,783.61x = 51,424,589,500.01
  5. Step 5: Solve for x
    x = 51,424,589,500.01/302,783.61
  6. Step 6: Final answer
    x = 169,839.41

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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.