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Finding the Fourth Proportional to 220,106.70, 330,160.05 and 220,106.70

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Solution

The fourth proportional to 220,106.70, 330,160.05 and 220,106.70 is: 330,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,106.70 : 330,160.05 = 220,106.70 : x
  2. Step 2: Convert to fraction form
    220,106.70/330,160.05 = 220,106.70/x
  3. Step 3: Cross multiply
    220,106.70x = 330,160.05 × 220,106.70
  4. Step 4: Simplify right side
    220,106.70x = 72,670,439,077.34
  5. Step 5: Solve for x
    x = 72,670,439,077.34/220,106.70
  6. Step 6: Final answer
    x = 330,160.05

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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.