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Finding the Fourth Proportional to 168,783.39, 232,920.50 and 93,331.89

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Solution

The fourth proportional to 168,783.39, 232,920.50 and 93,331.89 is: 128,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,783.39 : 232,920.50 = 93,331.89 : x
  2. Step 2: Convert to fraction form
    168,783.39/232,920.50 = 93,331.89/x
  3. Step 3: Cross multiply
    168,783.39x = 232,920.50 × 93,331.89
  4. Step 4: Simplify right side
    168,783.39x = 21,738,910,018.09
  5. Step 5: Solve for x
    x = 21,738,910,018.09/168,783.39
  6. Step 6: Final answer
    x = 128,797.69

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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.