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Finding the Fourth Proportional to 76,200.60, 114,300.90 and 49,628.55

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Solution

The fourth proportional to 76,200.60, 114,300.90 and 49,628.55 is: 74,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,200.60 : 114,300.90 = 49,628.55 : x
  2. Step 2: Convert to fraction form
    76,200.60/114,300.90 = 49,628.55/x
  3. Step 3: Cross multiply
    76,200.60x = 114,300.90 × 49,628.55
  4. Step 4: Simplify right side
    76,200.60x = 5,672,587,930.70
  5. Step 5: Solve for x
    x = 5,672,587,930.70/76,200.60
  6. Step 6: Final answer
    x = 74,442.83

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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.