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Finding the Fourth Proportional to 73,323.54, 109,957.95 and 28,935.54

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Solution

The fourth proportional to 73,323.54, 109,957.95 and 28,935.54 is: 43,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,323.54 : 109,957.95 = 28,935.54 : x
  2. Step 2: Convert to fraction form
    73,323.54/109,957.95 = 28,935.54/x
  3. Step 3: Cross multiply
    73,323.54x = 109,957.95 × 28,935.54
  4. Step 4: Simplify right side
    73,323.54x = 3,181,692,660.54
  5. Step 5: Solve for x
    x = 3,181,692,660.54/73,323.54
  6. Step 6: Final answer
    x = 43,392.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.