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Finding the Fourth Proportional to 130,691,750.40, 196,037,625.60 and 130,691,750.40

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Solution

The fourth proportional to 130,691,750.40, 196,037,625.60 and 130,691,750.40 is: 196,037,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,691,750.40 : 196,037,625.60 = 130,691,750.40 : x
  2. Step 2: Convert to fraction form
    130,691,750.40/196,037,625.60 = 130,691,750.40/x
  3. Step 3: Cross multiply
    130,691,750.40x = 196,037,625.60 × 130,691,750.40
  4. Step 4: Simplify right side
    130,691,750.40x = 25,620,500,433,923,852
  5. Step 5: Solve for x
    x = 25,620,500,433,923,852/130,691,750.40
  6. Step 6: Final answer
    x = 196,037,625.60

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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.