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Finding the Fourth Proportional to 168,420.54, 232,419.87 and 92,968.50

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Solution

The fourth proportional to 168,420.54, 232,419.87 and 92,968.50 is: 128,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,420.54 : 232,419.87 = 92,968.50 : x
  2. Step 2: Convert to fraction form
    168,420.54/232,419.87 = 92,968.50/x
  3. Step 3: Cross multiply
    168,420.54x = 232,419.87 × 92,968.50
  4. Step 4: Simplify right side
    168,420.54x = 21,607,726,684.10
  5. Step 5: Solve for x
    x = 21,607,726,684.10/168,420.54
  6. Step 6: Final answer
    x = 128,296.27

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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.