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Finding the Fourth Proportional to 376,517.70, 564,397.47 and 166,118.58

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Solution

The fourth proportional to 376,517.70, 564,397.47 and 166,118.58 is: 249,010.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,517.70 : 564,397.47 = 166,118.58 : x
  2. Step 2: Convert to fraction form
    376,517.70/564,397.47 = 166,118.58/x
  3. Step 3: Cross multiply
    376,517.70x = 564,397.47 × 166,118.58
  4. Step 4: Simplify right side
    376,517.70x = 93,756,906,271.99
  5. Step 5: Solve for x
    x = 93,756,906,271.99/376,517.70
  6. Step 6: Final answer
    x = 249,010.62

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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.