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Finding the Fourth Proportional to 71,063.83, 98,068.12 and 39,232.96

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Solution

The fourth proportional to 71,063.83, 98,068.12 and 39,232.96 is: 54,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,063.83 : 98,068.12 = 39,232.96 : x
  2. Step 2: Convert to fraction form
    71,063.83/98,068.12 = 39,232.96/x
  3. Step 3: Cross multiply
    71,063.83x = 98,068.12 × 39,232.96
  4. Step 4: Simplify right side
    71,063.83x = 3,847,502,285.98
  5. Step 5: Solve for x
    x = 3,847,502,285.98/71,063.83
  6. Step 6: Final answer
    x = 54,141.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.