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Finding the Fourth Proportional to 330,341.99, 495,506.25 and 105,702.39

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Solution

The fourth proportional to 330,341.99, 495,506.25 and 105,702.39 is: 158,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,341.99 : 495,506.25 = 105,702.39 : x
  2. Step 2: Convert to fraction form
    330,341.99/495,506.25 = 105,702.39/x
  3. Step 3: Cross multiply
    330,341.99x = 495,506.25 × 105,702.39
  4. Step 4: Simplify right side
    330,341.99x = 52,376,194,884.94
  5. Step 5: Solve for x
    x = 52,376,194,884.94/330,341.99
  6. Step 6: Final answer
    x = 158,551.43

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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.