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Finding the Fourth Proportional to 104,676.40, 144,452.22 and 56,928.70

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Solution

The fourth proportional to 104,676.40, 144,452.22 and 56,928.70 is: 78,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,676.40 : 144,452.22 = 56,928.70 : x
  2. Step 2: Convert to fraction form
    104,676.40/144,452.22 = 56,928.70/x
  3. Step 3: Cross multiply
    104,676.40x = 144,452.22 × 56,928.70
  4. Step 4: Simplify right side
    104,676.40x = 8,223,477,096.71
  5. Step 5: Solve for x
    x = 8,223,477,096.71/104,676.40
  6. Step 6: Final answer
    x = 78,560.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.