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Finding the Fourth Proportional to 70,042, 96,657.96 and 44,891.50

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Solution

The fourth proportional to 70,042, 96,657.96 and 44,891.50 is: 61,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,042 : 96,657.96 = 44,891.50 : x
  2. Step 2: Convert to fraction form
    70,042/96,657.96 = 44,891.50/x
  3. Step 3: Cross multiply
    70,042x = 96,657.96 × 44,891.50
  4. Step 4: Simplify right side
    70,042x = 4,339,120,811.34
  5. Step 5: Solve for x
    x = 4,339,120,811.34/70,042
  6. Step 6: Final answer
    x = 61,950.27

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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.