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Finding the Fourth Proportional to 168,816, 232,973.40 and 93,364.56

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Solution

The fourth proportional to 168,816, 232,973.40 and 93,364.56 is: 128,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,816 : 232,973.40 = 93,364.56 : x
  2. Step 2: Convert to fraction form
    168,816/232,973.40 = 93,364.56/x
  3. Step 3: Cross multiply
    168,816x = 232,973.40 × 93,364.56
  4. Step 4: Simplify right side
    168,816x = 21,751,458,982.70
  5. Step 5: Solve for x
    x = 21,751,458,982.70/168,816
  6. Step 6: Final answer
    x = 128,847.14

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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.