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Finding the Fourth Proportional to 132,003.80, 197,775.30 and 113,571.80

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Solution

The fourth proportional to 132,003.80, 197,775.30 and 113,571.80 is: 170,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,003.80 : 197,775.30 = 113,571.80 : x
  2. Step 2: Convert to fraction form
    132,003.80/197,775.30 = 113,571.80/x
  3. Step 3: Cross multiply
    132,003.80x = 197,775.30 × 113,571.80
  4. Step 4: Simplify right side
    132,003.80x = 22,461,696,816.54
  5. Step 5: Solve for x
    x = 22,461,696,816.54/132,003.80
  6. Step 6: Final answer
    x = 170,159.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.