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Finding the Fourth Proportional to 97,662.80, 146,494.20 and 47,774.90

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Solution

The fourth proportional to 97,662.80, 146,494.20 and 47,774.90 is: 71,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,662.80 : 146,494.20 = 47,774.90 : x
  2. Step 2: Convert to fraction form
    97,662.80/146,494.20 = 47,774.90/x
  3. Step 3: Cross multiply
    97,662.80x = 146,494.20 × 47,774.90
  4. Step 4: Simplify right side
    97,662.80x = 6,998,745,755.58
  5. Step 5: Solve for x
    x = 6,998,745,755.58/97,662.80
  6. Step 6: Final answer
    x = 71,662.35

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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.