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Finding the Fourth Proportional to 168,403.68, 232,396.93 and 92,952

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Solution

The fourth proportional to 168,403.68, 232,396.93 and 92,952 is: 128,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,403.68 : 232,396.93 = 92,952 : x
  2. Step 2: Convert to fraction form
    168,403.68/232,396.93 = 92,952/x
  3. Step 3: Cross multiply
    168,403.68x = 232,396.93 × 92,952
  4. Step 4: Simplify right side
    168,403.68x = 21,601,759,437.36
  5. Step 5: Solve for x
    x = 21,601,759,437.36/168,403.68
  6. Step 6: Final answer
    x = 128,273.68

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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.