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Finding the Fourth Proportional to 84,017.40, 126,026.10 and 44,651.40

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Solution

The fourth proportional to 84,017.40, 126,026.10 and 44,651.40 is: 66,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,017.40 : 126,026.10 = 44,651.40 : x
  2. Step 2: Convert to fraction form
    84,017.40/126,026.10 = 44,651.40/x
  3. Step 3: Cross multiply
    84,017.40x = 126,026.10 × 44,651.40
  4. Step 4: Simplify right side
    84,017.40x = 5,627,241,801.54
  5. Step 5: Solve for x
    x = 5,627,241,801.54/84,017.40
  6. Step 6: Final answer
    x = 66,977.10

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Similar ratio
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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.