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Finding the Fourth Proportional to 79,427.80, 119,228.10 and 44,435.80

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Solution

The fourth proportional to 79,427.80, 119,228.10 and 44,435.80 is: 66,702.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,427.80 : 119,228.10 = 44,435.80 : x
  2. Step 2: Convert to fraction form
    79,427.80/119,228.10 = 44,435.80/x
  3. Step 3: Cross multiply
    79,427.80x = 119,228.10 × 44,435.80
  4. Step 4: Simplify right side
    79,427.80x = 5,297,996,005.98
  5. Step 5: Solve for x
    x = 5,297,996,005.98/79,427.80
  6. Step 6: Final answer
    x = 66,702.04

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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.