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Finding the Fourth Proportional to 166,640,419.20, 232,722,630.60 and 166,640,419.20

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Solution

The fourth proportional to 166,640,419.20, 232,722,630.60 and 166,640,419.20 is: 232,722,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,640,419.20 : 232,722,630.60 = 166,640,419.20 : x
  2. Step 2: Convert to fraction form
    166,640,419.20/232,722,630.60 = 166,640,419.20/x
  3. Step 3: Cross multiply
    166,640,419.20x = 232,722,630.60 × 166,640,419.20
  4. Step 4: Simplify right side
    166,640,419.20x = 38,780,996,720,510,744
  5. Step 5: Solve for x
    x = 38,780,996,720,510,744/166,640,419.20
  6. Step 6: Final answer
    x = 232,722,630.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.