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Finding the Fourth Proportional to 330,063.29, 495,136.62 and 93,406.05

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Solution

The fourth proportional to 330,063.29, 495,136.62 and 93,406.05 is: 140,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,063.29 : 495,136.62 = 93,406.05 : x
  2. Step 2: Convert to fraction form
    330,063.29/495,136.62 = 93,406.05/x
  3. Step 3: Cross multiply
    330,063.29x = 495,136.62 × 93,406.05
  4. Step 4: Simplify right side
    330,063.29x = 46,248,755,884.55
  5. Step 5: Solve for x
    x = 46,248,755,884.55/330,063.29
  6. Step 6: Final answer
    x = 140,120.87

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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.