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Finding the Fourth Proportional to 168,524.12, 232,561.86 and 93,071

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Solution

The fourth proportional to 168,524.12, 232,561.86 and 93,071 is: 128,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,524.12 : 232,561.86 = 93,071 : x
  2. Step 2: Convert to fraction form
    168,524.12/232,561.86 = 93,071/x
  3. Step 3: Cross multiply
    168,524.12x = 232,561.86 × 93,071
  4. Step 4: Simplify right side
    168,524.12x = 21,644,764,872.06
  5. Step 5: Solve for x
    x = 21,644,764,872.06/168,524.12
  6. Step 6: Final answer
    x = 128,437.19

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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.