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Finding the Fourth Proportional to 68,051.64, 93,914.37 and 37,840.02

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Solution

The fourth proportional to 68,051.64, 93,914.37 and 37,840.02 is: 52,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,051.64 : 93,914.37 = 37,840.02 : x
  2. Step 2: Convert to fraction form
    68,051.64/93,914.37 = 37,840.02/x
  3. Step 3: Cross multiply
    68,051.64x = 93,914.37 × 37,840.02
  4. Step 4: Simplify right side
    68,051.64x = 3,553,721,639.09
  5. Step 5: Solve for x
    x = 3,553,721,639.09/68,051.64
  6. Step 6: Final answer
    x = 52,220.96

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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.