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Finding the Fourth Proportional to 93,326.64, 128,801.86 and 58,921.36

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Solution

The fourth proportional to 93,326.64, 128,801.86 and 58,921.36 is: 81,318.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,326.64 : 128,801.86 = 58,921.36 : x
  2. Step 2: Convert to fraction form
    93,326.64/128,801.86 = 58,921.36/x
  3. Step 3: Cross multiply
    93,326.64x = 128,801.86 × 58,921.36
  4. Step 4: Simplify right side
    93,326.64x = 7,589,180,761.73
  5. Step 5: Solve for x
    x = 7,589,180,761.73/93,326.64
  6. Step 6: Final answer
    x = 81,318.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.