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Finding the Fourth Proportional to 71,483.61, 107,230.41 and 29,365.82

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Solution

The fourth proportional to 71,483.61, 107,230.41 and 29,365.82 is: 44,050.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,483.61 : 107,230.41 = 29,365.82 : x
  2. Step 2: Convert to fraction form
    71,483.61/107,230.41 = 29,365.82/x
  3. Step 3: Cross multiply
    71,483.61x = 107,230.41 × 29,365.82
  4. Step 4: Simplify right side
    71,483.61x = 3,148,908,382.43
  5. Step 5: Solve for x
    x = 3,148,908,382.43/71,483.61
  6. Step 6: Final answer
    x = 44,050.77

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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.