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Finding the Fourth Proportional to 168,124.76, 232,010.77 and 91,642.46

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Solution

The fourth proportional to 168,124.76, 232,010.77 and 91,642.46 is: 126,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,124.76 : 232,010.77 = 91,642.46 : x
  2. Step 2: Convert to fraction form
    168,124.76/232,010.77 = 91,642.46/x
  3. Step 3: Cross multiply
    168,124.76x = 232,010.77 × 91,642.46
  4. Step 4: Simplify right side
    168,124.76x = 21,262,037,709.29
  5. Step 5: Solve for x
    x = 21,262,037,709.29/168,124.76
  6. Step 6: Final answer
    x = 126,465.83

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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.