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Finding the Fourth Proportional to 330,175.68, 495,371.52 and 105,573.12

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Solution

The fourth proportional to 330,175.68, 495,371.52 and 105,573.12 is: 158,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,175.68 : 495,371.52 = 105,573.12 : x
  2. Step 2: Convert to fraction form
    330,175.68/495,371.52 = 105,573.12/x
  3. Step 3: Cross multiply
    330,175.68x = 495,371.52 × 105,573.12
  4. Step 4: Simplify right side
    330,175.68x = 52,297,916,925.54
  5. Step 5: Solve for x
    x = 52,297,916,925.54/330,175.68
  6. Step 6: Final answer
    x = 158,394.21

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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.