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Finding the Fourth Proportional to 356,238.42, 534,063.29 and 166,605.47

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Solution

The fourth proportional to 356,238.42, 534,063.29 and 166,605.47 is: 249,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,238.42 : 534,063.29 = 166,605.47 : x
  2. Step 2: Convert to fraction form
    356,238.42/534,063.29 = 166,605.47/x
  3. Step 3: Cross multiply
    356,238.42x = 534,063.29 × 166,605.47
  4. Step 4: Simplify right side
    356,238.42x = 88,977,865,440.20
  5. Step 5: Solve for x
    x = 88,977,865,440.20/356,238.42
  6. Step 6: Final answer
    x = 249,770.55

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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.