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Finding the Fourth Proportional to 132,243.62, 197,926.62 and 120,424.58

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Solution

The fourth proportional to 132,243.62, 197,926.62 and 120,424.58 is: 180,237.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,243.62 : 197,926.62 = 120,424.58 : x
  2. Step 2: Convert to fraction form
    132,243.62/197,926.62 = 120,424.58/x
  3. Step 3: Cross multiply
    132,243.62x = 197,926.62 × 120,424.58
  4. Step 4: Simplify right side
    132,243.62x = 23,835,230,084.32
  5. Step 5: Solve for x
    x = 23,835,230,084.32/132,243.62
  6. Step 6: Final answer
    x = 180,237.28

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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.