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Finding the Fourth Proportional to 168,415.54, 232,412.97 and 92,963.50

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Solution

The fourth proportional to 168,415.54, 232,412.97 and 92,963.50 is: 128,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,415.54 : 232,412.97 = 92,963.50 : x
  2. Step 2: Convert to fraction form
    168,415.54/232,412.97 = 92,963.50/x
  3. Step 3: Cross multiply
    168,415.54x = 232,412.97 × 92,963.50
  4. Step 4: Simplify right side
    168,415.54x = 21,605,923,136.60
  5. Step 5: Solve for x
    x = 21,605,923,136.60/168,415.54
  6. Step 6: Final answer
    x = 128,289.37

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1.5x scale

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.