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Finding the Fourth Proportional to 220,104.45, 330,156.68 and 220,104.45

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Solution

The fourth proportional to 220,104.45, 330,156.68 and 220,104.45 is: 330,156.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,104.45 : 330,156.68 = 220,104.45 : x
  2. Step 2: Convert to fraction form
    220,104.45/330,156.68 = 220,104.45/x
  3. Step 3: Cross multiply
    220,104.45x = 330,156.68 × 220,104.45
  4. Step 4: Simplify right side
    220,104.45x = 72,668,953,364.70
  5. Step 5: Solve for x
    x = 72,668,953,364.70/220,104.45
  6. Step 6: Final answer
    x = 330,156.68

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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.