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Finding the Fourth Proportional to 168,281.84, 232,231.77 and 91,800.96

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Solution

The fourth proportional to 168,281.84, 232,231.77 and 91,800.96 is: 126,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,281.84 : 232,231.77 = 91,800.96 : x
  2. Step 2: Convert to fraction form
    168,281.84/232,231.77 = 91,800.96/x
  3. Step 3: Cross multiply
    168,281.84x = 232,231.77 × 91,800.96
  4. Step 4: Simplify right side
    168,281.84x = 21,319,099,428.50
  5. Step 5: Solve for x
    x = 21,319,099,428.50/168,281.84
  6. Step 6: Final answer
    x = 126,686.87

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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.