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Finding the Fourth Proportional to 68,834.58, 95,047.74 and 56,089.68

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Solution

The fourth proportional to 68,834.58, 95,047.74 and 56,089.68 is: 77,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,834.58 : 95,047.74 = 56,089.68 : x
  2. Step 2: Convert to fraction form
    68,834.58/95,047.74 = 56,089.68/x
  3. Step 3: Cross multiply
    68,834.58x = 95,047.74 × 56,089.68
  4. Step 4: Simplify right side
    68,834.58x = 5,331,197,321.32
  5. Step 5: Solve for x
    x = 5,331,197,321.32/68,834.58
  6. Step 6: Final answer
    x = 77,449.41

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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.