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Finding the Fourth Proportional to 93,235.06, 128,679.99 and 55,004.10

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Solution

The fourth proportional to 93,235.06, 128,679.99 and 55,004.10 is: 75,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,235.06 : 128,679.99 = 55,004.10 : x
  2. Step 2: Convert to fraction form
    93,235.06/128,679.99 = 55,004.10/x
  3. Step 3: Cross multiply
    93,235.06x = 128,679.99 × 55,004.10
  4. Step 4: Simplify right side
    93,235.06x = 7,077,927,201.41
  5. Step 5: Solve for x
    x = 7,077,927,201.41/93,235.06
  6. Step 6: Final answer
    x = 75,914.87

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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.