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Finding the Fourth Proportional to 168,637.36, 232,710.42 and 93,181

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Solution

The fourth proportional to 168,637.36, 232,710.42 and 93,181 is: 128,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,637.36 : 232,710.42 = 93,181 : x
  2. Step 2: Convert to fraction form
    168,637.36/232,710.42 = 93,181/x
  3. Step 3: Cross multiply
    168,637.36x = 232,710.42 × 93,181
  4. Step 4: Simplify right side
    168,637.36x = 21,684,189,646.02
  5. Step 5: Solve for x
    x = 21,684,189,646.02/168,637.36
  6. Step 6: Final answer
    x = 128,584.73

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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.