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Finding the Fourth Proportional to 68,837.58, 95,051.88 and 56,092.68

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Solution

The fourth proportional to 68,837.58, 95,051.88 and 56,092.68 is: 77,453.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,837.58 : 95,051.88 = 56,092.68 : x
  2. Step 2: Convert to fraction form
    68,837.58/95,051.88 = 56,092.68/x
  3. Step 3: Cross multiply
    68,837.58x = 95,051.88 × 56,092.68
  4. Step 4: Simplify right side
    68,837.58x = 5,331,714,688.24
  5. Step 5: Solve for x
    x = 5,331,714,688.24/68,837.58
  6. Step 6: Final answer
    x = 77,453.55

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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.