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Finding the Fourth Proportional to 168,426.77, 232,429.41 and 91,945.94

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Solution

The fourth proportional to 168,426.77, 232,429.41 and 91,945.94 is: 126,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,426.77 : 232,429.41 = 91,945.94 : x
  2. Step 2: Convert to fraction form
    168,426.77/232,429.41 = 91,945.94/x
  3. Step 3: Cross multiply
    168,426.77x = 232,429.41 × 91,945.94
  4. Step 4: Simplify right side
    168,426.77x = 21,370,939,423.95
  5. Step 5: Solve for x
    x = 21,370,939,423.95/168,426.77
  6. Step 6: Final answer
    x = 126,885.65

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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.