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Finding the Fourth Proportional to 71,326.83, 106,950.22 and 48,862.90

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Solution

The fourth proportional to 71,326.83, 106,950.22 and 48,862.90 is: 73,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,326.83 : 106,950.22 = 48,862.90 : x
  2. Step 2: Convert to fraction form
    71,326.83/106,950.22 = 48,862.90/x
  3. Step 3: Cross multiply
    71,326.83x = 106,950.22 × 48,862.90
  4. Step 4: Simplify right side
    71,326.83x = 5,225,897,589.63
  5. Step 5: Solve for x
    x = 5,225,897,589.63/71,326.83
  6. Step 6: Final answer
    x = 73,266.93

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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.