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Finding the Fourth Proportional to 70,159.38, 96,819.90 and 37,893.99

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Solution

The fourth proportional to 70,159.38, 96,819.90 and 37,893.99 is: 52,293.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,159.38 : 96,819.90 = 37,893.99 : x
  2. Step 2: Convert to fraction form
    70,159.38/96,819.90 = 37,893.99/x
  3. Step 3: Cross multiply
    70,159.38x = 96,819.90 × 37,893.99
  4. Step 4: Simplify right side
    70,159.38x = 3,668,892,322.40
  5. Step 5: Solve for x
    x = 3,668,892,322.40/70,159.38
  6. Step 6: Final answer
    x = 52,293.68

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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.