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Finding the Fourth Proportional to 82,445.40, 123,677.96 and 29,126.34

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Solution

The fourth proportional to 82,445.40, 123,677.96 and 29,126.34 is: 43,692.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,445.40 : 123,677.96 = 29,126.34 : x
  2. Step 2: Convert to fraction form
    82,445.40/123,677.96 = 29,126.34/x
  3. Step 3: Cross multiply
    82,445.40x = 123,677.96 × 29,126.34
  4. Step 4: Simplify right side
    82,445.40x = 3,602,286,167.83
  5. Step 5: Solve for x
    x = 3,602,286,167.83/82,445.40
  6. Step 6: Final answer
    x = 43,692.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.