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Finding the Fourth Proportional to 96,563.20, 129,945.60 and 96,563.20

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Solution

The fourth proportional to 96,563.20, 129,945.60 and 96,563.20 is: 129,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,563.20 : 129,945.60 = 96,563.20 : x
  2. Step 2: Convert to fraction form
    96,563.20/129,945.60 = 96,563.20/x
  3. Step 3: Cross multiply
    96,563.20x = 129,945.60 × 96,563.20
  4. Step 4: Simplify right side
    96,563.20x = 12,547,962,961.92
  5. Step 5: Solve for x
    x = 12,547,962,961.92/96,563.20
  6. Step 6: Final answer
    x = 129,945.60

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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.