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Finding the Fourth Proportional to 93,535.89, 140,935.25 and 77,260.56

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Solution

The fourth proportional to 93,535.89, 140,935.25 and 77,260.56 is: 116,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,535.89 : 140,935.25 = 77,260.56 : x
  2. Step 2: Convert to fraction form
    93,535.89/140,935.25 = 77,260.56/x
  3. Step 3: Cross multiply
    93,535.89x = 140,935.25 × 77,260.56
  4. Step 4: Simplify right side
    93,535.89x = 10,888,735,952.44
  5. Step 5: Solve for x
    x = 10,888,735,952.44/93,535.89
  6. Step 6: Final answer
    x = 116,412.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.