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Finding the Fourth Proportional to 221,366.20, 332,006.10 and 71,570.20

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Solution

The fourth proportional to 221,366.20, 332,006.10 and 71,570.20 is: 107,341.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,366.20 : 332,006.10 = 71,570.20 : x
  2. Step 2: Convert to fraction form
    221,366.20/332,006.10 = 71,570.20/x
  3. Step 3: Cross multiply
    221,366.20x = 332,006.10 × 71,570.20
  4. Step 4: Simplify right side
    221,366.20x = 23,761,742,978.22
  5. Step 5: Solve for x
    x = 23,761,742,978.22/221,366.20
  6. Step 6: Final answer
    x = 107,341.33

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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.