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Finding the Fourth Proportional to 97,630.80, 146,446.20 and 92,187.60

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Solution

The fourth proportional to 97,630.80, 146,446.20 and 92,187.60 is: 138,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,630.80 : 146,446.20 = 92,187.60 : x
  2. Step 2: Convert to fraction form
    97,630.80/146,446.20 = 92,187.60/x
  3. Step 3: Cross multiply
    97,630.80x = 146,446.20 × 92,187.60
  4. Step 4: Simplify right side
    97,630.80x = 13,500,523,707.12
  5. Step 5: Solve for x
    x = 13,500,523,707.12/97,630.80
  6. Step 6: Final answer
    x = 138,281.40

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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.