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Finding the Fourth Proportional to 96,745.20, 130,191.30 and 96,745.20

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Solution

The fourth proportional to 96,745.20, 130,191.30 and 96,745.20 is: 130,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,745.20 : 130,191.30 = 96,745.20 : x
  2. Step 2: Convert to fraction form
    96,745.20/130,191.30 = 96,745.20/x
  3. Step 3: Cross multiply
    96,745.20x = 130,191.30 × 96,745.20
  4. Step 4: Simplify right side
    96,745.20x = 12,595,383,356.76
  5. Step 5: Solve for x
    x = 12,595,383,356.76/96,745.20
  6. Step 6: Final answer
    x = 130,191.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.