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Finding the Fourth Proportional to 116,093.20, 173,848.20 and 76,435.60

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Solution

The fourth proportional to 116,093.20, 173,848.20 and 76,435.60 is: 114,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,093.20 : 173,848.20 = 76,435.60 : x
  2. Step 2: Convert to fraction form
    116,093.20/173,848.20 = 76,435.60/x
  3. Step 3: Cross multiply
    116,093.20x = 173,848.20 × 76,435.60
  4. Step 4: Simplify right side
    116,093.20x = 13,288,191,475.92
  5. Step 5: Solve for x
    x = 13,288,191,475.92/116,093.20
  6. Step 6: Final answer
    x = 114,461.41

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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.