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Finding the Fourth Proportional to 80,050.60, 119,903.10 and 66,226.60

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Solution

The fourth proportional to 80,050.60, 119,903.10 and 66,226.60 is: 99,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,050.60 : 119,903.10 = 66,226.60 : x
  2. Step 2: Convert to fraction form
    80,050.60/119,903.10 = 66,226.60/x
  3. Step 3: Cross multiply
    80,050.60x = 119,903.10 × 66,226.60
  4. Step 4: Simplify right side
    80,050.60x = 7,940,774,642.46
  5. Step 5: Solve for x
    x = 7,940,774,642.46/80,050.60
  6. Step 6: Final answer
    x = 99,196.94

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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.