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Finding the Fourth Proportional to 220,106.45, 330,159.68 and 220,106.45

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Solution

The fourth proportional to 220,106.45, 330,159.68 and 220,106.45 is: 330,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,106.45 : 330,159.68 = 220,106.45 : x
  2. Step 2: Convert to fraction form
    220,106.45/330,159.68 = 220,106.45/x
  3. Step 3: Cross multiply
    220,106.45x = 330,159.68 × 220,106.45
  4. Step 4: Simplify right side
    220,106.45x = 72,670,275,097.94
  5. Step 5: Solve for x
    x = 72,670,275,097.94/220,106.45
  6. Step 6: Final answer
    x = 330,159.68

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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.