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Finding the Fourth Proportional to 79,630.80, 119,446.20 and 62,005.20

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Solution

The fourth proportional to 79,630.80, 119,446.20 and 62,005.20 is: 93,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,630.80 : 119,446.20 = 62,005.20 : x
  2. Step 2: Convert to fraction form
    79,630.80/119,446.20 = 62,005.20/x
  3. Step 3: Cross multiply
    79,630.80x = 119,446.20 × 62,005.20
  4. Step 4: Simplify right side
    79,630.80x = 7,406,285,520.24
  5. Step 5: Solve for x
    x = 7,406,285,520.24/79,630.80
  6. Step 6: Final answer
    x = 93,007.80

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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.