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Finding the Fourth Proportional to 84,730,793.85, 127,096,190.78 and 84,730,793.85

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Solution

The fourth proportional to 84,730,793.85, 127,096,190.78 and 84,730,793.85 is: 127,096,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,730,793.85 : 127,096,190.78 = 84,730,793.85 : x
  2. Step 2: Convert to fraction form
    84,730,793.85/127,096,190.78 = 84,730,793.85/x
  3. Step 3: Cross multiply
    84,730,793.85x = 127,096,190.78 × 84,730,793.85
  4. Step 4: Simplify right side
    84,730,793.85x = 10,768,961,139,676,796
  5. Step 5: Solve for x
    x = 10,768,961,139,676,796/84,730,793.85
  6. Step 6: Final answer
    x = 127,096,190.78

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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.