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Finding the Fourth Proportional to 330,141.44, 495,029.68 and 102,373.90

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Solution

The fourth proportional to 330,141.44, 495,029.68 and 102,373.90 is: 153,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,141.44 : 495,029.68 = 102,373.90 : x
  2. Step 2: Convert to fraction form
    330,141.44/495,029.68 = 102,373.90/x
  3. Step 3: Cross multiply
    330,141.44x = 495,029.68 × 102,373.90
  4. Step 4: Simplify right side
    330,141.44x = 50,678,117,847.75
  5. Step 5: Solve for x
    x = 50,678,117,847.75/330,141.44
  6. Step 6: Final answer
    x = 153,504.26

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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.