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Finding the Fourth Proportional to 126,594.02, 174,540.90 and 81,191.90

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Solution

The fourth proportional to 126,594.02, 174,540.90 and 81,191.90 is: 111,942.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,594.02 : 174,540.90 = 81,191.90 : x
  2. Step 2: Convert to fraction form
    126,594.02/174,540.90 = 81,191.90/x
  3. Step 3: Cross multiply
    126,594.02x = 174,540.90 × 81,191.90
  4. Step 4: Simplify right side
    126,594.02x = 14,171,307,298.71
  5. Step 5: Solve for x
    x = 14,171,307,298.71/126,594.02
  6. Step 6: Final answer
    x = 111,942.94

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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.